{"title":"HBADA","description":"\u003cp\u003eHBADA ergonomic office chairs — the X7 smart chair with AI lumbar tracking, the T8 Max with smart lumbar tracking and seat ventilation, the E3 Pro and the E3 Ultra. Stocked in Sydney and Melbourne.\u003c\/p\u003e","products":[{"product_id":"hbada-x7-smart-ergonomic-chair","title":"HBADA X7 Smart Ergonomic Office Chair","description":"\u003cp\u003eThe HBADA X7 Smart Ergonomic Chair is built around one idea: lumbar support that follows you. Pressure sensors in the lumbar pad read your posture, a smart chip processes that data in real time, and a precision linear motor moves the support forward or back as you sit up, lean in or recline. HBADA calls it the world’s first AI lumbar-tracking ergonomic chair, co-developed with medical doctors of the American ICA Chiropractic Association. Around that system sit 8D bionic massage, an actively cooled seat, graphene lumbar heating with red-light therapy, a 4D headrest, 720° armrests and a pull-out footrest, all run from a handheld remote and a rechargeable battery.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAI lumbar tracking with 10 intensity levels, 50 mm of powered front–back travel, 45 mm of manual height adjustment and 10° of auto-adapt\u003c\/li\u003e\n\u003cli\u003e8D dual-core bionic massage that extends while you use it and retracts afterwards\u003c\/li\u003e\n\u003cli\u003eActive seat cooling: dual 3,000 RPM fans and three airflow modes through a micro-perforated seat\u003c\/li\u003e\n\u003cli\u003eGraphene lumbar heating with red-light therapy\u003c\/li\u003e\n\u003cli\u003e4D dual-axis headrest, 720° armrests, built-in footrest and four recline positions from 105° to 140°\u003c\/li\u003e\n\u003cli\u003eReinforced aluminium alloy backrest frame; suits users 150–195 cm tall and up to 150 kg; tested to BIFMA X5.1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAvailable in Grey and Black. Sit-test the X7 at our Sydney or Melbourne showroom.\u003c\/p\u003e\n\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAI lumbar tracking.\u003c\/strong\u003e Most lumbar supports are set once and left there, so they stop touching your back the moment you shift. The X7’s lumbar pad senses your weight and the curve of your lower back, then a millimetre-level linear motor keeps it in contact as you move — no knobs to reach for. Ten intensity levels set how closely it follows you, from a light touch to firm, continuous support.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3-zone floating wings.\u003c\/strong\u003e The lumbar pad is flanked by two floating wings that wrap the erector spinae and quadratus lumborum, the muscles either side of the lower spine, so support comes from the sides as well as from behind.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8D bionic massage.\u003c\/strong\u003e Two kneading heads inside the lumbar pad mimic the pressure of hands rather than vibrating. They extend for a deep back massage when switched on and retract when the session ends, so they never press into your back while you work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eActive cooling seat.\u003c\/strong\u003e Two 3,000 RPM centrifugal fans under the seat draw body heat out through a micro-perforated cushion, with three airflow modes to choose from — useful through an Australian summer in a home office without air-conditioning.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGraphene heating and red-light therapy.\u003c\/strong\u003e A graphene heating layer warms the lower back, paired with red-light therapy, for cooler mornings and for winding down after a long session. HBADA notes the massage, heating and cooling are comfort features, not medical treatments.\u003c\/p\u003e\n\n\u003ch2\u003eAdjustability\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeadrest:\u003c\/strong\u003e 4D dual-axis, with 70° rotation, 45 mm of height adjustment and 55 mm of front–back travel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArmrests:\u003c\/strong\u003e 720° system — 360° rotation, 20° flip, 110 mm front–back and 50 mm height adjustment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeat depth:\u003c\/strong\u003e 50 mm of travel, from 40.5 to 45.5 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeat height:\u003c\/strong\u003e 8.5 cm of travel, from 44.5 to 53 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecline:\u003c\/strong\u003e 105° for focused upright work, 116° for all-day comfort, 128° for a break and 140° for full rest\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFootrest:\u003c\/strong\u003e pulls out from under the seat when you recline and slides away when you get back to work\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTo set up the X7, adjust the seat height so your feet sit flat and your knees are level with your hips, then slide the seat so there is a small gap behind your knees. Turn lumbar tracking on and choose an intensity, bring the armrests up to elbow height, and set the headrest last, ideally while reclined.\u003c\/p\u003e\n\n\u003ch2\u003eComfort and materials\u003c\/h2\u003e\n\u003cp\u003eThe seat uses HBADA’s cloud mesh surface over a ventilated cushion, designed to stay breathable through long days at the desk. The backrest frame is a reinforced aerospace-grade aluminium alloy, which HBADA chose for rigidity, stability and long-term durability under daily intensive use, and the chair rolls on a five-star base with five casters.\u003c\/p\u003e\n\u003cp\u003eEvery function runs from a handheld remote with buttons for On\/Off, Smart Track, Hot Compress, Bionic Massage, Cloud Ventilation and Lumbar Support front–back. Power comes from a removable rechargeable battery, charged with the included adapter, so there is no cable running to the wall while you sit.\u003c\/p\u003e\n\u003cp\u003eHBADA tests the X7 to the BIFMA X5.1 standard: 100,000 backrest recline cycles, 600,000 armrest cycles, 120,000 gas lift cycles and 120,000 rotation cycles, for an intended 10-year service life in individual use. Actual lifespan varies with user weight, frequency of use, maintenance and environment.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eHBADA X7\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eColours\u003c\/td\u003e\n\u003ctd\u003eGrey, Black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended user height\u003c\/td\u003e\n\u003ctd\u003e150–195 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum load\u003c\/td\u003e\n\u003ctd\u003e150 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall dimensions\u003c\/td\u003e\n\u003ctd\u003e70 cm W × 70 cm D × 105–135 cm H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat height\u003c\/td\u003e\n\u003ctd\u003e44.5–53 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat depth\u003c\/td\u003e\n\u003ctd\u003e40.5–45.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat width\u003c\/td\u003e\n\u003ctd\u003e52 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackrest width\u003c\/td\u003e\n\u003ctd\u003e49.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArmrest height from floor\u003c\/td\u003e\n\u003ctd\u003e63–76.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLumbar\u003c\/td\u003e\n\u003ctd\u003eAI tracking, 10 intensity levels; 50 mm electric front–back; 45 mm manual height; 10° auto-adapt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeadrest\u003c\/td\u003e\n\u003ctd\u003e4D dual-axis: 70° rotation, 45 mm height, 55 mm front–back\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArmrests\u003c\/td\u003e\n\u003ctd\u003e720°: 360° rotation, 20° flip, 110 mm front–back, 50 mm height\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecline positions\u003c\/td\u003e\n\u003ctd\u003e105°, 116°, 128°, 140°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMassage\u003c\/td\u003e\n\u003ctd\u003e8D dual-core bionic massage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eDual 3,000 RPM fans, 3 airflow modes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeating\u003c\/td\u003e\n\u003ctd\u003eGraphene lumbar heating with red-light therapy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003eRechargeable battery and power adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackrest frame\u003c\/td\u003e\n\u003ctd\u003eReinforced aluminium alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTesting\u003c\/td\u003e\n\u003ctd\u003eBIFMA X5.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChair weight\u003c\/td\u003e\n\u003ctd\u003eApprox. 38 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat’s in the box\u003c\/h2\u003e\n\u003cp\u003eBackrest, headrest, seat cushion, two armrests, gas cylinder, five-star base, five casters, battery, power adapter, a screwdriver (A1), an Allen key (A2) and three screw sets (B ×6, C ×3, D ×5). The X7 arrives mostly built: you attach the base, seat and backrest, and HBADA’s installation and usage videos are in the brand story above.\u003c\/p\u003e\n\u003cp\u003eTwo adjustments use a cyclic ratchet: the backrest height and the lumbar support height can’t be lowered from a middle position. Raise either one to its highest point to unlock it, then push it all the way down. This is a normal design feature, not a fault.\u003c\/p\u003e\n\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\u003ch3\u003eDoes the HBADA X7 help with back pain?\u003c\/h3\u003e\n\u003cp\u003eThe X7 is designed to ease lower-back discomfort from long sitting by combining lumbar support that tracks your posture with bionic massage and lumbar heating. These are comfort features, not medical treatments, and regular breaks and movement still matter.\u003c\/p\u003e\n\u003ch3\u003eWhat is AI lumbar tracking?\u003c\/h3\u003e\n\u003cp\u003eSensors in the lumbar pad detect changes in the position of your lower back, a smart chip processes them in real time, and a linear motor moves the support forward or back so it stays in contact as you lean, sit upright or recline. You choose from 10 intensity levels.\u003c\/p\u003e\n\u003ch3\u003eDoes the X7 have massage, heating and cooling?\u003c\/h3\u003e\n\u003cp\u003eYes. It has 8D dual-core bionic massage, graphene lumbar heating with red-light therapy, and an actively cooled seat with two 3,000 RPM fans and three airflow modes.\u003c\/p\u003e\n\u003ch3\u003eIs the HBADA X7 suitable for tall users?\u003c\/h3\u003e\n\u003cp\u003eHBADA recommends it for users between 150 and 195 cm tall and up to 150 kg. The adjustable seat height and depth, 4D headrest and 720° armrests let taller users fine-tune the fit.\u003c\/p\u003e\n\u003ch3\u003eWhat are the X7’s dimensions and weight?\u003c\/h3\u003e\n\u003cp\u003eThe chair measures 70 cm wide and 70 cm deep at the base and 105–135 cm tall depending on seat and headrest height. It weighs approximately 38 kg.\u003c\/p\u003e\n\u003ch3\u003eWhat is the difference between the Grey and Black X7?\u003c\/h3\u003e\n\u003cp\u003eOnly the finish. Both colours have the same smart functions, massage, heating, cooling and ergonomic adjustments.\u003c\/p\u003e\n\u003ch3\u003eWhy won’t the backrest or lumbar support go down?\u003c\/h3\u003e\n\u003cp\u003eBoth use a cyclic ratchet. Raise the backrest or lumbar support to its highest point to unlock the mechanism, then push it all the way down to reset it.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\"@type\": \"Question\", \"name\": \"Does the HBADA X7 help with back pain?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The X7 is designed to ease lower-back discomfort from long sitting by combining lumbar support that tracks your posture with bionic massage and lumbar heating. These are comfort features, not medical treatments, and regular breaks and movement still matter.\"}},\n    {\"@type\": \"Question\", \"name\": \"What is AI lumbar tracking?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Sensors in the lumbar pad detect changes in the position of your lower back, a smart chip processes them in real time, and a linear motor moves the support forward or back so it stays in contact as you lean, sit upright or recline. You choose from 10 intensity levels.\"}},\n    {\"@type\": \"Question\", \"name\": \"Does the X7 have massage, heating and cooling?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. It has 8D dual-core bionic massage, graphene lumbar heating with red-light therapy, and an actively cooled seat with two 3,000 RPM fans and three airflow modes.\"}},\n    {\"@type\": \"Question\", \"name\": \"Is the HBADA X7 suitable for tall users?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"HBADA recommends it for users between 150 and 195 cm tall and up to 150 kg. The adjustable seat height and depth, 4D headrest and 720° armrests let taller users fine-tune the fit.\"}},\n    {\"@type\": \"Question\", \"name\": \"What are the X7’s dimensions and weight?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The chair measures 70 cm wide and 70 cm deep at the base and 105–135 cm tall depending on seat and headrest height. It weighs approximately 38 kg.\"}},\n    {\"@type\": \"Question\", \"name\": \"What is the difference between the Grey and Black X7?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Only the finish. Both colours have the same smart functions, massage, heating, cooling and ergonomic adjustments.\"}},\n    {\"@type\": \"Question\", \"name\": \"Why won’t the backrest or lumbar support go down?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Both use a cyclic ratchet. Raise the backrest or lumbar support to its highest point to unlock the mechanism, then push it all the way down to reset it.\"}}\n  ]\n}\n\u003c\/script\u003e\n","brand":"HBADA","offers":[{"title":"Grey","offer_id":41401812156488,"sku":"HBADA-X7-GREY","price":1409.0,"currency_code":"AUD","in_stock":true},{"title":"Black","offer_id":41401812189256,"sku":"HBADA-X7-BLACK","price":1409.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0564\/0467\/2584\/files\/2132321_97d0cb09-bfdf-41ba-8bd8-2dd442c87b53.png?v=1791685683"},{"product_id":"hbada-e3-pro-ergonomic-office-chair","title":"HBADA E3 Pro Ergonomic Office Chair","description":"\u003cp\u003eThe HBADA E3 Pro (2026 Edition) is a fully adjustable mesh ergonomic office chair built around a 3-zone elastic lumbar support that follows your lower back as you shift, lean and recline. A 4D dual-axis headrest, 720° OmniMechanical armrests, a breathable CloudMesh seat and a four-position recline from 105° to 140° cover focused desk work, gaming and a proper lie-back. It comes in Black or Grey, both with a footrest that stows under the seat.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3-zone elastic lumbar: 60 mm independent lift, 30 mm gliding depth, 32 mm adaptive travel and side wings that rotate 80°\u003c\/li\u003e\n\u003cli\u003e4D dual-axis headrest: 40 mm lift, 70 mm forward and back, 70° pad and stem rotation\u003c\/li\u003e\n\u003cli\u003e720° OmniMechanical armrests with dual 360° rotation and a 39° flip; they drop to 72 cm\u003c\/li\u003e\n\u003cli\u003e80 mm backrest height adjustment and 50 mm seat depth slide, fitting users from about 155–195 cm\u003c\/li\u003e\n\u003cli\u003eRated to 150 kg; tested beyond BIFMA standards with 120,000+ fatigue cycles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSit-test the E3 Pro at our Sydney or Melbourne showroom.\u003c\/p\u003e\n\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e3-zone adaptive lumbar support.\u003c\/strong\u003e HBADA calls it a second spine: a mechanical, spring-loaded linkage rather than a fixed pad. Split side wings rotate 80° to wrap the sides of your lower back, a 5° elastic tracking hinge uses your own body weight to keep the pad in contact as your posture changes, and the whole block lifts 60 mm to target the L1–L5 region. You can leave it in active tracking, with 32 mm of give, or lock it for firmer, fixed support.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4D dual-axis headrest.\u003c\/strong\u003e Two separate 70° pivots, one at the pad and one at the stem, plus 40 mm of lift and 70 mm of forward and back travel let the headrest find your neck whether you sit upright or recline to 140°. The joints are aluminium alloy.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e720° OmniMechanical armrests.\u003c\/strong\u003e Dual 360° rotation and a 39° flip anchor your elbows for typing, handheld gaming or reclining. At their lowest the pads sit 72 cm from the floor and slide under a standard 74 cm desk.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCloudMesh seat.\u003c\/strong\u003e Imported high-polymer fabric with zoned weaving that spreads pressure evenly across your hips and back, with a softer front edge, and stays breathable on hot afternoons.\u003c\/p\u003e\n\n\u003ch2\u003eAdjustability\u003c\/h2\u003e\n\u003cp\u003eHBADA's approach is \"Pro-Custom\" rather than \"auto-average\": set the chair up once for your body, lock it in, and it stays put.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeat height:\u003c\/strong\u003e 46–54.5 cm via a Class-4 gas lift.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeat depth:\u003c\/strong\u003e 50 mm slide (45–50 cm), so shorter users keep knee clearance and taller users get thigh support.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackrest height:\u003c\/strong\u003e 80 mm of travel on a cyclic ratchet. Raise it step by step; to lower it, lift it to the top to unlock, then push it all the way down.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLumbar height:\u003c\/strong\u003e 60 mm of independent lift on the same kind of ratchet: step it up until it meets your lower back, and push past the top to start again.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecline:\u003c\/strong\u003e four lockable positions: 105° deep focus, 115° relaxed workflow, 130° natural ease and 140° zero-gravity recharge. The gravity-sensing chassis lets smaller frames recline without extra effort and returns larger frames smoothly to upright.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eComfort and materials\u003c\/h2\u003e\n\u003cp\u003eThe backrest frame and five-star base are steel, the castors are silent PA+PU wheels that glide quietly and are kind to floors, and the gas lift is SGS-certified Class 4. HBADA tests the E3 Pro beyond BIFMA standards: 100,000 castor cycles, 120,000 recline cycles, 120,000 armrest cycles, 120,000 gas lift cycles, 120,000 rotation cycles and a 60,000-cycle handrail durability test. The mesh is tension-tested over 120,000+ cycles so it holds its shape rather than sagging.\u003c\/p\u003e\n\u003cp\u003eThe E3 Pro is approved by Dr. Dennis Miller, an International Chiropractic Association (ICA) chiropractic expert.\u003c\/p\u003e\n\n\u003ch2\u003eBlack or Grey, with built-in footrest\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBlack\u003c\/strong\u003e pairs black mesh with a dark frame; \u003cstrong\u003eGrey\u003c\/strong\u003e pairs grey mesh with a light-grey frame, which looks lighter in a small home office. Both have identical ergonomics.\u003c\/p\u003e\n\u003cp\u003eBoth colours come with a footrest that pulls out from under the seat when you lean back and tucks away while you work, so you can switch from upright desk work to a proper lie-back to read, relax or take a break.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eE3 Pro (2026 Edition)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended user height\u003c\/td\u003e\n\u003ctd\u003e155–195 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum load\u003c\/td\u003e\n\u003ctd\u003e150 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall dimensions\u003c\/td\u003e\n\u003ctd\u003e66–71 cm D × 65 cm W × 111–131.5 cm H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat height\u003c\/td\u003e\n\u003ctd\u003e46–54.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat depth\u003c\/td\u003e\n\u003ctd\u003e45–50 cm (50 mm slide)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat width\u003c\/td\u003e\n\u003ctd\u003e51.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackrest\u003c\/td\u003e\n\u003ctd\u003e46 cm wide; 80 mm height adjustment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLumbar support\u003c\/td\u003e\n\u003ctd\u003e3-zone elastic; 60 mm lift, 30 mm gliding depth, 32 mm adaptive travel; side wings rotate 80° (±40°); lockable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeadrest\u003c\/td\u003e\n\u003ctd\u003e4D dual-axis; 40 mm lift, 70 mm forward\/back, 70° pad and 70° stem rotation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArmrests\u003c\/td\u003e\n\u003ctd\u003e720° OmniMechanical (6D): dual 360° rotation, 39° flip; 72–87.5 cm from the floor; 28 cm pads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecline\u003c\/td\u003e\n\u003ctd\u003e105°–140°, four lockable positions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat\u003c\/td\u003e\n\u003ctd\u003eCloudMesh air micro-perforated breathable mesh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame and base\u003c\/td\u003e\n\u003ctd\u003eSteel backrest frame; steel five-star base (70 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCastors\u003c\/td\u003e\n\u003ctd\u003eSilent PA+PU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGas lift\u003c\/td\u003e\n\u003ctd\u003eSGS-certified Class 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTesting\u003c\/td\u003e\n\u003ctd\u003eExceeds BIFMA standards; 120,000+ fatigue cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColours\u003c\/td\u003e\n\u003ctd\u003eBlack, Grey\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFootrest\u003c\/td\u003e\n\u003ctd\u003eBuilt in, pulls out from under the seat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly\u003c\/td\u003e\n\u003ctd\u003eArrives mostly built; attach the base, seat and backrest\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eHBADA's factory measurements, converted to metric.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBackrest, seat, headrest and gas cylinder\u003c\/li\u003e\n\u003cli\u003eTwo armrests and two armrest brackets\u003c\/li\u003e\n\u003cli\u003eFive-star base hub, five base legs and five castors\u003c\/li\u003e\n\u003cli\u003eHex key, screwdriver (in the accessory box) and four types of screws (B, C, D, E)\u003c\/li\u003e\n\u003cli\u003ePull-out footrest (built into the seat)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAssembly takes about 10–15 minutes with the included tools; small fittings such as trim caps arrive pre-attached. Thread every bolt in loosely before tightening any of them fully.\u003c\/p\u003e\n\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\u003ch3\u003eMesh or a cushioned seat: which is better if I have back pain?\u003c\/h3\u003e\n\u003cp\u003eFoam seats feel soft at first but compress over time and trap heat, whereas mesh keeps giving breathable, consistent support through long work hours. The E3 Pro pairs a CloudMesh seat with zoned tension for balanced sitting with an adjustable 3-zone lumbar system aimed at the lower back.\u003c\/p\u003e\n\u003ch3\u003eIs the seat firm? Will the front edge dig into my legs?\u003c\/h3\u003e\n\u003cp\u003eThe E3 Pro is deliberately supportive rather than soft, to stop your pelvis slumping and straining your spine. To protect your legs, the front edge has a softer mesh weave and the seat depth slides 50 mm so you can clear the backs of your knees.\u003c\/p\u003e\n\u003ch3\u003eWill the E3 Pro help with lower back pain, and how long until it feels right?\u003c\/h3\u003e\n\u003cp\u003eIt is designed to support the lower back with a 3-zone lumbar block that has 60 mm of height adjustment, 30 mm of dynamic tracking and side wings that rotate 40° each way. Most people settle in within a week: set the lumbar pad at your belt line, adjust the seat depth for knee clearance and keep your feet flat on the floor.\u003c\/p\u003e\n\u003ch3\u003eWill it fit my body, including a parent or a smaller adult?\u003c\/h3\u003e\n\u003cp\u003eThe E3 Pro suits users from about 155 to 195 cm and up to 150 kg, with backrest, lumbar, seat depth and headrest adjustments to fine-tune the fit.\u003c\/p\u003e\n\u003ch3\u003eWill it work with my desk, and how much floor space does it need?\u003c\/h3\u003e\n\u003cp\u003eThe armrests adjust from 72 to 87.5 cm off the floor, so they clear standard 74–76 cm desks. The chair needs a footprint of about 66 × 65 cm, plus roughly 102 cm of depth for a full 140° recline.\u003c\/p\u003e\n\u003ch3\u003eThe lumbar support clicks through positions instead of locking. Is it broken?\u003c\/h3\u003e\n\u003cp\u003eNo. It uses a ratchet that steps upward notch by notch and resets to the bottom once it passes the top. The backrest height works the same way: raise it to the top to unlock it, then push it all the way down.\u003c\/p\u003e\n\u003ch3\u003eWhat if my chair squeaks or makes a noise when I sit down?\u003c\/h3\u003e\n\u003cp\u003eThe PA+PU castors run quietly, so a new squeak usually means a frame bolt has loosened or the gas cylinder has not fully seated. Re-tighten all the assembly bolts with the included key and sit down firmly two or three times to lock the cylinder joint.\u003c\/p\u003e\n\u003ch3\u003eWill the mesh sag, pill or wear out?\u003c\/h3\u003e\n\u003cp\u003eCloudMesh is tension-tested beyond BIFMA standards for 120,000+ cycles so it keeps its shape. Some normal surface wear is expected over years of use.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n \"@context\": \"https:\/\/schema.org\",\n \"@type\": \"FAQPage\",\n \"mainEntity\": [\n  {\n   \"@type\": \"Question\",\n   \"name\": \"Mesh or a cushioned seat: which is better if I have back pain?\",\n   \"acceptedAnswer\": {\n    \"@type\": \"Answer\",\n    \"text\": \"Foam seats feel soft at first but compress over time and trap heat, whereas mesh keeps giving breathable, consistent support through long work hours. The E3 Pro pairs a CloudMesh seat with zoned tension for balanced sitting with an adjustable 3-zone lumbar system aimed at the lower back.\"\n   }\n  },\n  {\n   \"@type\": \"Question\",\n   \"name\": \"Is the seat firm? Will the front edge dig into my legs?\",\n   \"acceptedAnswer\": {\n    \"@type\": \"Answer\",\n    \"text\": \"The E3 Pro is deliberately supportive rather than soft, to stop your pelvis slumping and straining your spine. To protect your legs, the front edge has a softer mesh weave and the seat depth slides 50 mm so you can clear the backs of your knees.\"\n   }\n  },\n  {\n   \"@type\": \"Question\",\n   \"name\": \"Will the E3 Pro help with lower back pain, and how long until it feels right?\",\n   \"acceptedAnswer\": {\n    \"@type\": \"Answer\",\n    \"text\": \"It is designed to support the lower back with a 3-zone lumbar block that has 60 mm of height adjustment, 30 mm of dynamic tracking and side wings that rotate 40° each way. Most people settle in within a week: set the lumbar pad at your belt line, adjust the seat depth for knee clearance and keep your feet flat on the floor.\"\n   }\n  },\n  {\n   \"@type\": \"Question\",\n   \"name\": \"Will it fit my body, including a parent or a smaller adult?\",\n   \"acceptedAnswer\": {\n    \"@type\": \"Answer\",\n    \"text\": \"The E3 Pro suits users from about 155 to 195 cm and up to 150 kg, with backrest, lumbar, seat depth and headrest adjustments to fine-tune the fit.\"\n   }\n  },\n  {\n   \"@type\": \"Question\",\n   \"name\": \"Will it work with my desk, and how much floor space does it need?\",\n   \"acceptedAnswer\": {\n    \"@type\": \"Answer\",\n    \"text\": \"The armrests adjust from 72 to 87.5 cm off the floor, so they clear standard 74–76 cm desks. The chair needs a footprint of about 66 × 65 cm, plus roughly 102 cm of depth for a full 140° recline.\"\n   }\n  },\n  {\n   \"@type\": \"Question\",\n   \"name\": \"The lumbar support clicks through positions instead of locking. Is it broken?\",\n   \"acceptedAnswer\": {\n    \"@type\": \"Answer\",\n    \"text\": \"No. It uses a ratchet that steps upward notch by notch and resets to the bottom once it passes the top. The backrest height works the same way: raise it to the top to unlock it, then push it all the way down.\"\n   }\n  },\n  {\n   \"@type\": \"Question\",\n   \"name\": \"What if my chair squeaks or makes a noise when I sit down?\",\n   \"acceptedAnswer\": {\n    \"@type\": \"Answer\",\n    \"text\": \"The PA+PU castors run quietly, so a new squeak usually means a frame bolt has loosened or the gas cylinder has not fully seated. Re-tighten all the assembly bolts with the included key and sit down firmly two or three times to lock the cylinder joint.\"\n   }\n  },\n  {\n   \"@type\": \"Question\",\n   \"name\": \"Will the mesh sag, pill or wear out?\",\n   \"acceptedAnswer\": {\n    \"@type\": \"Answer\",\n    \"text\": \"CloudMesh is tension-tested beyond BIFMA standards for 120,000+ cycles so it keeps its shape. Some normal surface wear is expected over years of use.\"\n   }\n  }\n ]\n}\n\u003c\/script\u003e\n","brand":"HBADA","offers":[{"title":"Grey \/ With Footrest","offer_id":41401812451400,"sku":"HBADA-E3PRO-GREY-FOOTREST","price":779.0,"currency_code":"AUD","in_stock":true},{"title":"Black \/ With Footrest","offer_id":41401812385864,"sku":"HBADA-E3PRO-BLACK-FOOTREST","price":779.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0564\/0467\/2584\/files\/E3Pro2026Graywithfootrestergonomicofficechairfront.png?v=1791685720"},{"product_id":"hbada-e3-ultra-ergonomic-office-chair","title":"HBADA E3 Ultra Ergonomic Office Chair","description":"\u003cp\u003eThe HBADA E3 Ultra is a fully adjustable mesh ergonomic office chair built around HBADA's T-shape support system, which supports your neck, shoulders, lower back and hips at the same time. It pairs an aerospace-grade aluminium-alloy backrest frame with HBADA's CloudMesh seat and back, a 4D dual-axis headrest, 720° omni-mechanical armrests and a footrest built into the seat, with 23 adjustments in all. Choose Grey or Black.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eT-shape support system: headrest, lumbar, armrests and seat work together from neck to hips\u003c\/li\u003e\n\u003cli\u003e3-zone dynamic lumbar support: 5 cm height (5 levels), 3.2 cm depth with lock-in, 40° side-wing rotation and 12° of spring-loaded flex\u003c\/li\u003e\n\u003cli\u003e4D dual-axis headrest: 70° frame rotation, 70° tilt and rotation, 4 cm up\/down and 7 cm forward\/back\u003c\/li\u003e\n\u003cli\u003e720° omni-mechanical armrests: 360° pad rotation, 360° body swivel, 5 cm height, 11 cm forward\/back, 20° tilt\u003c\/li\u003e\n\u003cli\u003eWire-control adjustment: recline to 140° in four positions, 5 cm seat depth and 8 cm backrest height\u003c\/li\u003e\n\u003cli\u003eBuilt-in footrest, steel five-star base, SGS-certified Class-4 gas lift; suits users 150–195 cm and up to 150 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSit-test the E3 Ultra at our \u003ca href=\"\/pages\/showrooms\"\u003eSydney or Melbourne showroom\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eThe T-shape support system\u003c\/h2\u003e\n\u003cp\u003eMost office chairs support one point of your back. The E3 Ultra is designed to support the whole upper body as one system, which HBADA calls the T-shape: a horizontal line across the shoulders and neck, and a vertical line down the spine to the hips.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBack:\u003c\/strong\u003e the 3-zone lumbar support wraps around the lower back. Its floating side wings rotate inward by up to 40° and are spring-loaded, so they flex with you as you shift instead of pushing back as a fixed pad would.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck:\u003c\/strong\u003e the 4D dual-axis headrest bridges the gap between head and spine, so your head stays supported whether you are working upright or reclining to rest.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShoulders:\u003c\/strong\u003e the 720° armrests take the weight of your arms, which unloads the shoulders and upper back during long typing sessions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHips and thighs:\u003c\/strong\u003e the CloudMesh seat contours to your body and spreads your weight evenly to ease pressure on the sit bones.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAdjustability\u003c\/h2\u003e\n\u003cp\u003eThe E3 Ultra's main seat controls are wire-operated, so you can adjust the chair from a natural seated position without bending over to find a lever.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecline:\u003c\/strong\u003e four recline positions at 105°, 115°, 130° and 140°, from upright focus to a full rest with the footrest out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeat depth:\u003c\/strong\u003e 5 cm of travel (44.5–49.5 cm) to suit different leg lengths.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackrest height:\u003c\/strong\u003e 8 cm of vertical travel so the lumbar and shoulder support line up with your back.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLumbar:\u003c\/strong\u003e 5 cm of height adjustment in five steps, 3.2 cm forward\/back with lock-in, 40° side-wing rotation and 12° of spring-loaded flex.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeadrest:\u003c\/strong\u003e 70° frame rotation, 70° tilt and rotation, 4 cm up\/down and 7 cm forward\/back.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArmrests:\u003c\/strong\u003e 360° pad rotation, 360° body swivel, 5 cm height, 11 cm forward\/back and 20° tilt, enough to anchor your elbows at almost any desk height.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFootrest:\u003c\/strong\u003e built into the seat, so there is nothing extra to fit. Slide it out to recline with your legs supported.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eComfort and materials\u003c\/h2\u003e\n\u003cp\u003eThe backrest is carried on a high-strength aluminium-alloy frame rather than the plastic frame of a conventional mesh chair, which adds durability and gives the E3 Ultra its polished spine. The seat and back use HBADA's CloudMesh, a high-polymer weave with zoned pressure relief that keeps air moving through long workdays.\u003c\/p\u003e\n\u003cp\u003eUnderneath, an SGS-certified Class-4 gas lift handles height changes, a heavy-duty steel five-star base keeps the chair stable, and silent PA+PU dual-surface castors roll across hardwood, tile and carpet while helping protect floors from scratches. HBADA lists IGR, BIFMA, TÜV and SGS certifications for the E3 Ultra and rates the chair for more than 120,000 cycles, beyond BIFMA standards.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eGrey\u003c\/strong\u003e version pairs light grey mesh with a white frame; the \u003cstrong\u003eBlack\u003c\/strong\u003e version is black mesh on a black frame. Both have the silver aluminium-alloy back frame and the built-in footrest.\u003c\/p\u003e\n\n\u003ch2\u003eWho the E3 Ultra suits\u003c\/h2\u003e\n\u003cp\u003eHBADA recommends the E3 Ultra for users roughly 150–195 cm tall, with a maximum load of 150 kg. The 45–53.5 cm seat height, adjustable seat depth and 8 cm backrest travel let one chair fit a wide range of body sizes, which makes it a good choice for households where more than one person uses the desk.\u003c\/p\u003e\n\u003cp\u003eIt is designed for people who sit for long hours and want to change posture through the day: upright for focused work, reclined for calls, and fully back with the footrest out for a break. If you mostly sit upright and do not need a footrest or a recline this deep, a simpler chair from our \u003ca href=\"\/collections\/ergonomic-office-chairs\"\u003eergonomic office chair range\u003c\/a\u003e may suit you better.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eHBADA E3 Ultra\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eColours\u003c\/td\u003e\n\u003ctd\u003eGrey, Black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended user height\u003c\/td\u003e\n\u003ctd\u003e150–195 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum load\u003c\/td\u003e\n\u003ctd\u003e150 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall height\u003c\/td\u003e\n\u003ctd\u003e109–139 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat height\u003c\/td\u003e\n\u003ctd\u003e45–53.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat depth\u003c\/td\u003e\n\u003ctd\u003e44.5–49.5 cm (5 cm adjustment)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat width\u003c\/td\u003e\n\u003ctd\u003e51 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackrest width\u003c\/td\u003e\n\u003ctd\u003e53 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth across armrests\u003c\/td\u003e\n\u003ctd\u003e63.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall depth\u003c\/td\u003e\n\u003ctd\u003e61–66 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArmrest height above seat\u003c\/td\u003e\n\u003ctd\u003e27–34 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLumbar support\u003c\/td\u003e\n\u003ctd\u003e3-zone; 5 cm height (5 levels), 3.2 cm depth with lock-in, 40° side wings, 12° spring-loaded flex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeadrest\u003c\/td\u003e\n\u003ctd\u003e4D dual-axis; 70° frame rotation, 70° tilt and rotation, 4 cm up\/down, 7 cm forward\/back\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArmrests\u003c\/td\u003e\n\u003ctd\u003e720° omni-mechanical; 360° pad rotation, 360° body swivel, 5 cm height, 11 cm forward\/back, 20° tilt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackrest height adjustment\u003c\/td\u003e\n\u003ctd\u003e8 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecline\u003c\/td\u003e\n\u003ctd\u003eFour positions: 105°, 115°, 130°, 140°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControls\u003c\/td\u003e\n\u003ctd\u003eWire-control (manual)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFootrest\u003c\/td\u003e\n\u003ctd\u003eBuilt in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackrest frame\u003c\/td\u003e\n\u003ctd\u003eHigh-strength aluminium alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMesh\u003c\/td\u003e\n\u003ctd\u003eCloudMesh pressure-relief mesh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGas lift\u003c\/td\u003e\n\u003ctd\u003eSGS-certified Class-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003ctd\u003eSteel five-star base\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCastors\u003c\/td\u003e\n\u003ctd\u003eSilent PA+PU dual-surface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications (per HBADA)\u003c\/td\u003e\n\u003ctd\u003eIGR, BIFMA, TÜV, SGS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eDimensions are converted to metric from HBADA's imperial drawing and rounded to the nearest 0.5 cm.\u003c\/p\u003e\n\n\u003ch2\u003eE3 Ultra upgrades\u003c\/h2\u003e\n\u003cp\u003eHBADA lists four upgrades over its earlier E3 design:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eE3 Ultra\u003c\/th\u003e\n\u003cth\u003eEarlier E3 design\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eArmrests\u003c\/td\u003e\n\u003ctd\u003e720° omni-mechanical\u003c\/td\u003e\n\u003ctd\u003e6D adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMesh\u003c\/td\u003e\n\u003ctd\u003e4-way stretch mesh for pressure relief\u003c\/td\u003e\n\u003ctd\u003eBi-directional stretch mesh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControls\u003c\/td\u003e\n\u003ctd\u003eOne-touch wire-control adjustment\u003c\/td\u003e\n\u003ctd\u003eStandard lever adjustment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame\u003c\/td\u003e\n\u003ctd\u003eAluminium backrest frame, steel base\u003c\/td\u003e\n\u003ctd\u003eNylon backrest frame, steel base\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eAssembly and set-up\u003c\/h2\u003e\n\u003cp\u003eThe E3 Ultra arrives flat-packed and needs assembling. HBADA's installation and usage videos, in the User Guide above, walk through each step and every adjustment.\u003c\/p\u003e\n\u003cp\u003eOnce it is built, set the seat height so your feet rest flat and your knees sit level with or slightly below your hips, then set the seat depth to leave a few fingers' gap behind your knees. Raise the backrest until the lumbar zone sits in the curve of your lower back, bring the armrests up to elbow height, and finish with the headrest at the base of your skull.\u003c\/p\u003e\n\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\u003ch3\u003eDoes the HBADA E3 Ultra have a footrest?\u003c\/h3\u003e\n\u003cp\u003eYes. The footrest is built into the seat on both the Grey and Black versions, so there is nothing extra to buy or fit.\u003c\/p\u003e\n\u003ch3\u003eWhat height and weight does the E3 Ultra suit?\u003c\/h3\u003e\n\u003cp\u003eHBADA recommends it for users from 150 cm to 195 cm tall, with a maximum load of 150 kg.\u003c\/p\u003e\n\u003ch3\u003eHow does the E3 Ultra's lumbar support work?\u003c\/h3\u003e\n\u003cp\u003eIt is a mechanical, manually adjusted support. You set its height (5 cm in five steps) and depth (3.2 cm with lock-in), and its spring-loaded side wings flex up to 12° as you move. There is nothing to charge or plug in.\u003c\/p\u003e\n\u003ch3\u003eHow far does the E3 Ultra recline?\u003c\/h3\u003e\n\u003cp\u003eUp to 140°. The wire-control lever gives four recline positions: 105°, 115°, 130° and 140°.\u003c\/p\u003e\n\u003ch3\u003eWhat are the dimensions of the E3 Ultra?\u003c\/h3\u003e\n\u003cp\u003eOverall height is 109–139 cm, seat height 45–53.5 cm, seat depth 44.5–49.5 cm, seat width 51 cm and overall depth 61–66 cm, with 63.5 cm across the armrests.\u003c\/p\u003e\n\u003ch3\u003eCan I try the E3 Ultra before buying?\u003c\/h3\u003e\n\u003cp\u003eYes. You can sit-test it at our Sydney or Melbourne showroom.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\"@type\": \"Question\", \"name\": \"Does the HBADA E3 Ultra have a footrest?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The footrest is built into the seat on both the Grey and Black versions, so there is nothing extra to buy or fit.\"}},\n    {\"@type\": \"Question\", \"name\": \"What height and weight does the E3 Ultra suit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"HBADA recommends it for users from 150 cm to 195 cm tall, with a maximum load of 150 kg.\"}},\n    {\"@type\": \"Question\", \"name\": \"How does the E3 Ultra's lumbar support work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is a mechanical, manually adjusted support. You set its height (5 cm in five steps) and depth (3.2 cm with lock-in), and its spring-loaded side wings flex up to 12° as you move. There is nothing to charge or plug in.\"}},\n    {\"@type\": \"Question\", \"name\": \"How far does the E3 Ultra recline?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Up to 140°. The wire-control lever gives four recline positions: 105°, 115°, 130° and 140°.\"}},\n    {\"@type\": \"Question\", \"name\": \"What are the dimensions of the E3 Ultra?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Overall height is 109–139 cm, seat height 45–53.5 cm, seat depth 44.5–49.5 cm, seat width 51 cm and overall depth 61–66 cm, with 63.5 cm across the armrests.\"}},\n    {\"@type\": \"Question\", \"name\": \"Can I try the E3 Ultra before buying?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. You can sit-test it at our Sydney or Melbourne showroom.\"}}\n  ]\n}\n\u003c\/script\u003e\n","brand":"HBADA","offers":[{"title":"Grey","offer_id":41401812484168,"sku":"HBADA-E3ULTRA-GREY","price":1189.0,"currency_code":"AUD","in_stock":true},{"title":"Black","offer_id":41401812516936,"sku":"HBADA-E3ULTRA-BLACK","price":1189.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0564\/0467\/2584\/files\/hbada_e3_ultra_ergonomic_chair_white_white-background_graph.webp?v=1791685742"},{"product_id":"hbada-t8-max-ergonomic-office-chair","title":"HBADA T8 Max Ergonomic Office Chair","description":"\u003cp\u003eThe HBADA T8 Max is a smart ergonomic chair built around lumbar support that actively follows you. Sensors read your posture in real time and an electric push-rod keeps the lumbar support against your lower back as you lean forward, sit upright or recline, with no manual adjusting. Around it, HBADA’s whole-chair follow-motion architecture moves the backrest, seat and armrests together, a keel-frame back flexes to your spine, and a ventilated seat keeps you cool.\u003c\/p\u003e\n\u003cp\u003eUp to 20 adjustments fit people from 150 to 195 cm tall and up to 136 kg. The T8 Max comes in White and Black (HBADA calls them Mist White and Mountain Black). Sit-test it at our Sydney or Melbourne showroom.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSmart lumbar tracking with real-time posture sensing and an electric push-rod\u003c\/li\u003e\n\u003cli\u003eWhole-chair follow-motion: a 12-track, 8-axis, 3-spring linkage\u003c\/li\u003e\n\u003cli\u003eKeel-frame back with 3 keel supports, 10 bionic flexible panels and 18 flexible dual-link joints\u003c\/li\u003e\n\u003cli\u003ePressure spread across six zones, from neck to thighs\u003c\/li\u003e\n\u003cli\u003eVentilated seat with three fan levels and leave-seat sensing\u003c\/li\u003e\n\u003cli\u003e4D dual-axis headrest, 4D linked armrests, a 470 mm pull-out footrest and five recline positions from 105° to 152°\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSmart lumbar tracking\u003c\/h2\u003e\n\u003cp\u003eOn the T8 Max, sensors in the lumbar area and seat read your posture, a chip calculates the support position and force, and a motor-driven push-rod moves the support with millimetre precision. Because it pushes straight in rather than at an angle, HBADA says support lands where your lower back needs it, with no gap at the sacrum. HBADA quotes a 6.7 mm\/s response, a 22° support angle, 100,000-cycle fatigue testing and around 50 dB in operation.\u003c\/p\u003e\n\u003cp\u003eTracking works whether you are leaning forward, sitting upright, sitting back or reclining. Hold the AI button on the armrest for four seconds to start it; two more buttons move the support forward or back by hand. A one-touch spine stretch with three levels works upright or reclined, and the chair adds an automatic sitting reminder.\u003c\/p\u003e\n\n\u003ch2\u003eWhole-chair follow-motion\u003c\/h2\u003e\n\u003cp\u003eHBADA’s all-scenario dynamic support system links the backrest, seat and armrests through its own 12-track, 8-axis, 3-spring architecture. The backrest stays against your back, the seat moves with your hips so your shirt doesn’t pull as you recline, and the 4D linked armrests keep your arms supported.\u003c\/p\u003e\n\u003cp\u003eThe back is a keel frame: three stable keel supports, ten bionic flexible panels and 18 flexible dual-link joints. It flexes to follow the curve of your spine without sagging, and a precision-controlled motor draws the flexible backrest into shape to suit different spinal curves.\u003c\/p\u003e\n\u003cp\u003eHBADA’s Pascal full-surface pressure-distribution system balances contact area against support force, spreading pressure that would otherwise sit on the lower back across six zones: neck, shoulders, elbows, lower back, hips and thighs. It is designed to reduce lumbar pressure over long sitting sessions.\u003c\/p\u003e\n\n\u003ch2\u003eComfort and ventilation\u003c\/h2\u003e\n\u003cp\u003eThe foam is zoned by job: skin-soft memory foam in the headrest, high-density elastic foam in the backrest, soft resilient foam on the armrests, and a seat cushion with three firmness zones from front to back for the hips and thighs. The breathable seat fabric has a water-, oil- and stain-resistant finish.\u003c\/p\u003e\n\u003cp\u003eThe smart ventilation system pulls air through five layers (breathable fabric, 3D breathable mesh, perforated foam, 3D airflow mesh and a directional air guide) using a centrifugal fan rated at 4,200 rpm. Three fan levels, Breeze, Cool and Fresh, run for up to 33, 16 and 7 hours per charge from the 2600 mAh battery box. Leave-seat sensing stops the fan when you stand up and restarts it when you sit back down.\u003c\/p\u003e\n\n\u003ch2\u003eAdjustability\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBack, lumbar and headrest:\u003c\/strong\u003e one-piece height adjustment of 50 mm, so the back, lumbar support and headrest move together\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeadrest:\u003c\/strong\u003e 4D dual-axis, rotating up to 70° on two axes, with a memory-foam pad\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArmrests:\u003c\/strong\u003e 4D linked armrests that move with the chair; armrest height 64–80 cm from the floor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeat depth:\u003c\/strong\u003e 36.5–49 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeat height:\u003c\/strong\u003e 45–53 cm on a Class 4 gas lift\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecline:\u003c\/strong\u003e five positions: 105° Focus, 115° Deep Work, 125° Ideas, 135° Break and 152° Recharge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFootrest:\u003c\/strong\u003e padded 470 mm pull-out footrest that moves with the chair and tucks away under the seat\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTo set up, adjust the seat height so your feet sit flat, leave a small gap behind your knees, raise the back unit until the lumbar support meets your lower back, then start lumbar tracking and set the armrests and headrest.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eHBADA T8 Max\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eColours\u003c\/td\u003e\n\u003ctd\u003eWhite, Black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended user height\u003c\/td\u003e\n\u003ctd\u003e150–195 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum load\u003c\/td\u003e\n\u003ctd\u003e136 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall height\u003c\/td\u003e\n\u003ctd\u003e112–124 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall width (across armrests)\u003c\/td\u003e\n\u003ctd\u003e65.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase diameter\u003c\/td\u003e\n\u003ctd\u003e70 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat height\u003c\/td\u003e\n\u003ctd\u003e45–53 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat width\u003c\/td\u003e\n\u003ctd\u003e54 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat depth\u003c\/td\u003e\n\u003ctd\u003e36.5–49 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackrest width\u003c\/td\u003e\n\u003ctd\u003e43 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeadrest width\u003c\/td\u003e\n\u003ctd\u003e33.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArmrest height from floor\u003c\/td\u003e\n\u003ctd\u003e64–80 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecline\u003c\/td\u003e\n\u003ctd\u003e5 positions: 105°, 115°, 125°, 135°, 152°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFootrest\u003c\/td\u003e\n\u003ctd\u003e470 mm pull-out, padded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery\u003c\/td\u003e\n\u003ctd\u003e2600 mAh battery box; 5 V \/ 2 A charging input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase and castors\u003c\/td\u003e\n\u003ctd\u003eAluminium alloy five-star base, dual quiet castors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGas lift\u003c\/td\u003e\n\u003ctd\u003eClass 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTesting\u003c\/td\u003e\n\u003ctd\u003eBIFMA X5.1 (complete chair)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage size\u003c\/td\u003e\n\u003ctd\u003e765 × 725 × 920 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGross weight\u003c\/td\u003e\n\u003ctd\u003e33.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eDimensions are measured by hand, so allow 1–2 cm. HBADA tests the complete chair to BIFMA X5.1, which assesses durability over a 10-year single-user service life; actual lifespan varies with weight, use, care and environment.\u003c\/p\u003e\n\n\u003ch2\u003eWhat’s in the box\u003c\/h2\u003e\n\u003cp\u003eBackrest assembly, five-star base assembly, gas lift, headrest and battery box. The battery box powers the electric functions and charges at 5 V \/ 2 A, so no cable runs to the wall while you sit.\u003c\/p\u003e\n\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\u003ch3\u003eWhat is smart lumbar tracking on the HBADA T8 Max?\u003c\/h3\u003e\n\u003cp\u003eSensors read your posture in real time, a chip calculates the support position and force, and an electric push-rod keeps the lumbar support against your lower back whether you lean forward, sit upright or recline. Hold the AI button on the armrest for four seconds to turn it on.\u003c\/p\u003e\n\u003ch3\u003eDoes the HBADA T8 Max help with lower-back discomfort?\u003c\/h3\u003e\n\u003cp\u003eIt is designed to reduce lumbar pressure: the support follows your posture and load is spread across six zones from neck to thighs. These are comfort features, not medical treatments, and regular breaks still matter.\u003c\/p\u003e\n\u003ch3\u003eWho does the T8 Max fit?\u003c\/h3\u003e\n\u003cp\u003eHBADA recommends it for people from 150 to 195 cm tall and up to 136 kg. Seat height runs from 45 to 53 cm and seat depth from 36.5 to 49 cm, and the back height, 4D headrest and linked armrests fine-tune the fit.\u003c\/p\u003e\n\u003ch3\u003eHow does the seat ventilation work?\u003c\/h3\u003e\n\u003cp\u003eA centrifugal fan moves air through five layers of the seat. Three fan levels run for up to 33, 16 or 7 hours per charge, and leave-seat sensing pauses the fan when you stand up.\u003c\/p\u003e\n\u003ch3\u003eHow far does the T8 Max recline?\u003c\/h3\u003e\n\u003cp\u003eIt locks in five positions: 105°, 115°, 125°, 135° and 152°. A 470 mm padded footrest pulls out from under the seat when you recline and tucks away when you sit up.\u003c\/p\u003e\n\u003ch3\u003eHow is the T8 Max powered and controlled?\u003c\/h3\u003e\n\u003cp\u003eA 2600 mAh battery box powers the electric functions and charges at 5 V \/ 2 A. Armrest buttons move the lumbar support, start lumbar tracking, switch on the spine stretch and cycle the fan.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is smart lumbar tracking on the HBADA T8 Max?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Sensors read your posture in real time, a chip calculates the support position and force, and an electric push-rod keeps the lumbar support against your lower back whether you lean forward, sit upright or recline. 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