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Whether you’re deep into work, on back-to-back calls, or pausing to recharge, the C300 helps your body stay relaxed and balanced—so you can stay productive, comfortable, and creative without distraction.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eErgonomic lumbar support for constant waist comfort\u003c\/li\u003e\n\u003cli\u003eStreamlined seatback that flexes and matches your back\u003c\/li\u003e\n\u003cli\u003eWide multi-adjustable headrest for high-precision neck and head support\u003c\/li\u003e\n\u003cli\u003e4D coordinated armrests to relax your arms in all postures\u003c\/li\u003e\n\u003cli\u003eSmart weight-sensing chassis for an effortless and balanced reclining experience\u003c\/li\u003e\n\u003cli\u003eWaterfall-shaped seat for weightless seating\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIHOO","offers":[{"title":"Black \/ Standard Version","offer_id":43759048360152,"sku":"DORO-C300L-A3-001","price":279.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Footrest Version","offer_id":50335760220376,"sku":"DORO-C300L-A3-101-JT","price":329.99,"currency_code":"USD","in_stock":true},{"title":"White \/ Standard Version","offer_id":50206315708632,"sku":"DORO-C300L-A3-002","price":289.99,"currency_code":"USD","in_stock":true},{"title":"White \/ Footrest Version","offer_id":50335760253144,"sku":"DORO-C300L-A3-102-JT","price":339.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/8192\/2264\/files\/C300-b.webp?v=1744277516"},{"product_id":"sihoo-doro-c300-pro-ergonomic-chair","title":"Sihoo C300 Pro Ergonomic Office Chair with Seat Depth for Long Sitting","description":"\u003cp data-start=\"119\" data-end=\"418\"\u003e\u003cstrong data-start=\"95\" data-end=\"113\"\u003eSIHOO C300 Pro\u003c\/strong\u003e is built for people who spend long hours at their desk and want to stay comfortable without constantly thinking about their chair. It moves naturally with your body, supports you through focused work, and lets you relax the moment you lean back. From intense work sessions to quiet breaks, the C300 Pro helps you stay supported, comfortable, and productive—day after day.\u003c\/p\u003e\n\u003cp data-start=\"119\" data-end=\"418\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSupports up to 330 lbs\u003c\/li\u003e\n\u003cli\u003eDynamic lumbar support for all-day back comfort\u003c\/li\u003e\n\u003cli\u003eDesigned to fit users from 5' to 6'3\"\u003c\/li\u003e\n\u003cli\u003eSpacious cushion with adjustable seat depth\u003c\/li\u003e\n\u003cli\u003e6D adjustable armrests for versatile support\u003c\/li\u003e\n\u003cli\u003eEasy adjustments with a single handle\u003c\/li\u003e\n\u003cli\u003eCertified by BIFMA and SGS for quality and durability\u003c\/li\u003e\n\u003cli\u003eEndorsed by The Gadgeteer, MMORPG, and loved by thousands of workers for ergonomic excellence\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIHOO","offers":[{"title":"Black \/ Standard Version","offer_id":44246412230872,"sku":"DORO-C300-PRO-M101","price":359.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Footrest Version","offer_id":50798899593432,"sku":"DORO-C300-PRO-M101-JT","price":399.99,"currency_code":"USD","in_stock":true},{"title":"White \/ Standard Version","offer_id":50283367825624,"sku":"DORO-C300-PRO-M102","price":369.99,"currency_code":"USD","in_stock":true},{"title":"White \/ Footrest Version","offer_id":50798899626200,"sku":"DORO-C300-PRO-M102-JT","price":409.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/8192\/2264\/files\/ebb08df6c238d9c8a9cbbb6d195a7ac1.jpg?v=1760578394"},{"product_id":"sihoo-m59as-ergonomic-office-chair","title":"Sihoo M59AS Space-Saving Ergonomic Office Chair with Flip-Up Arms","description":"\u003cp\u003eThe \u003cstrong\u003eSihoo M59AS\u003c\/strong\u003e offers all-day comfort with its breathable mesh design and customizable features. Its dual-section backrest, adjustable armrests, and dynamic lumbar support provide tailored support for a truly ergonomic experience.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eName:\u003c\/strong\u003e Sihoo M59AS Ergonomic Chair\u003cbr\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDual-section backrest for comprehensive back support and posture adaptability\u003c\/li\u003e\n\u003cli\u003e3D-adjustable flip-up armrests for customizable arm support and space-saving convenience\u003c\/li\u003e\n\u003cli\u003eDual-jointed headrest for precise neck support and comfort\u003c\/li\u003e\n\u003cli\u003eSaddle-shaped seat cushion for enhanced comfort during long hours\u003c\/li\u003e\n\u003cli\u003eFull premium mesh design for breathability, support, and easy maintenance\u003c\/li\u003e\n\u003cli\u003eIntegrated coat hanger for added practicality\u003c\/li\u003e\n\u003cli\u003eEndorsed by industry experts for innovative design and functionality\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIHOO","offers":[{"title":"Gray","offer_id":49550563705048,"sku":"M59AS-M301","price":239.99,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":49550563672280,"sku":"M59AS-M302","price":239.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/8192\/2264\/files\/33eb04dca434bcd0046beda759158838.webp?v=1760430984"},{"product_id":"sihoo-b100-pro-ergonomic-office-chair","title":"Sihoo B100 Pro Ergonomic Office Chair With Flip-Up Armrest","description":"\u003cp\u003eShop the Sihoo B100 Pro ergonomic chair with responsive lower-back support, 4D flip-up armrests, breathable mesh, and a 135° recline for better posture every day.\u003c\/p\u003e","brand":"SIHOO","offers":[{"title":"White \/ Standard Version","offer_id":51530351018200,"sku":"B100-PRO-M102","price":259.99,"currency_code":"USD","in_stock":true},{"title":"White \/ Footrest Version","offer_id":51530351050968,"sku":"B100-PRO-M102-JT","price":299.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Standard Version","offer_id":51530351149272,"sku":"B100-PRO-M101","price":259.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Footrest Version","offer_id":51530351182040,"sku":"B100-PRO-M101-JT","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/8192\/2264\/files\/black-b100-pro-front.webp?v=1775138979"},{"product_id":"doro-c300-pro-v2","title":"Sihoo Doro C300 Pro V2 Ergonomic Office Chair","description":"\u003cp\u003eSihoo Doro C300 Pro V2 delivers adaptive, full-body support for all body types and activities.\u003c\/p\u003e\n\u003cp\u003eSupercharged by the innovative DynaCore and SyncroFlex systems, along with Self-Adaptive Dynamic Lumbar Support 2.0, 8D bionic armrests, an ultra-wide 3D headrest, and more, it sets a new standard in dynamic support.\u003c\/p\u003e","brand":"SIHOO","offers":[{"title":"Black \/ Standard Version","offer_id":51540512243928,"sku":"C300-PRO-V2-T101","price":429.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Footrest Version","offer_id":51540512276696,"sku":"C300-PRO-V2-T101-JT","price":469.99,"currency_code":"USD","in_stock":true},{"title":"White \/ Standard Version","offer_id":51540512309464,"sku":"C300-PRO-V2-T102","price":439.99,"currency_code":"USD","in_stock":true},{"title":"White \/ Footrest Version","offer_id":51540512342232,"sku":"C300-PRO-V2-T102-JT","price":479.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/8192\/2264\/files\/6_7fb99ba5-fe21-4fc7-8fc3-88888eaced99.webp?v=1776389401"}],"url":"https:\/\/www.sihoo.com\/collections\/back-support-ergonomic-office-chair.oembed","provider":"Official US Sihoo Store","version":"1.0","type":"link"}