{"product_id":"400lbs-high-back-ergonomic-office-chair-adjustable-headrest-3d-armrests","title":"400 lbs High-Back Ergonomic Office Chair with Adjustable Headrest \u0026 3D Armrests","description":"\u003cp\u003eA high-back ergonomic office chair engineered for all-day comfort, featuring a 400 lbs weight capacity, 3D adjustable armrests, and a breathable PU leather seat. Designed to support long hours of work, study, or gaming with proper spinal alignment and customizable positioning.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eErgonomic High-Back Design\u003c\/strong\u003e – Follows the natural curve of your spine for reliable support during extended sessions. Adjustable headrest enhances neck and upper-back comfort.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3D Adjustable Armrests\u003c\/strong\u003e – Move armrests up\/down, forward\/backward, and rotate them to your ideal position for reduced shoulder and arm strain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e90°–120° Rocking Function\u003c\/strong\u003e – Smooth tilt mechanism lets you switch between focused work and relaxed positions throughout the day.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Construction\u003c\/strong\u003e – Certified gas lift, reinforced metal base, and durable casters support up to 400 lbs for long-lasting stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern Butterfly Backrest\u003c\/strong\u003e – Sleek contemporary design fits seamlessly into home offices, study rooms, and professional workspaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Assembly\u003c\/strong\u003e – Includes clear assembly instructions and customer support.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Dimensions\u003c\/td\u003e\n\u003ctd\u003e21\"L x 21\"W x 40\"H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e21 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth\u003c\/td\u003e\n\u003ctd\u003e21 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e40 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eMetal, PU Leather\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor Options\u003c\/td\u003e\n\u003ctd\u003eBlack, Blue, Dark, Grey\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eItem Weight\u003c\/td\u003e\n\u003ctd\u003e40 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight Capacity\u003c\/td\u003e\n\u003ctd\u003e400 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArmrest Type\u003c\/td\u003e\n\u003ctd\u003e3D Adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTilt Range\u003c\/td\u003e\n\u003ctd\u003e90°–120°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003ctd\u003eReinforced Metal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"GEYVON","offers":[{"title":"Black","offer_id":48595634225397,"sku":"B0HCN82QNY-1","price":268.99,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":48595634258165,"sku":"B0HCN82QNY-2","price":268.99,"currency_code":"USD","in_stock":true},{"title":"Dark","offer_id":48595634290933,"sku":"B0HCN82QNY-3","price":268.99,"currency_code":"USD","in_stock":true},{"title":"Grey","offer_id":48595634323701,"sku":"B0HCN82QNY-4","price":268.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0752\/6619\/5701\/files\/71MztFtUsrL.jpg?v=1786273460","url":"https:\/\/nestifys.com\/products\/400lbs-high-back-ergonomic-office-chair-adjustable-headrest-3d-armrests","provider":"Nestifys","version":"1.0","type":"link"}