SIHOO S100 Ergonomic Office Chair, 6D Dynamic Lumbar Support, Adjustable Seat Depth, Ultra Soft 3D Armrests, Adjustable Backrest Home Office Chair, Big and Tall Computer Chair (White)

【Integrated Head and Back Support Structure, Bionic Dynamic Lumbar Support System】The ergonomic office chair's lumbar back separated three-part butterfly wing lumbar support design, the back of the chair 7CM lifting, can be adjusted to the right position according to different heights, to achieve the headrest lumbar pillow are naturally fit, seamless. Bionic human lumbar curve shape, the first lumbar dynamic adaptive lumbar support mechanism, support for 6D automatic deformation movement, to achieve a full range of different body shape parcel lumbar effect, for your tailor-made "seat", scientific and healthy support waist;

【The seat cushion and back of the chair do elasticity partition】The seat cushion is subject to greater force, the tension of the mesh cloth used is also greater, better support and durability. The back of the chair is less stressed, the mesh tension is moderate, relatively soft, can better fit the curve of the back, support more comfortable;

【Three-Position Recline Adjustment Lock, 3D Linkage Armrest】98-135 degree recline. 4D armrest can lift 7CM, the armrest surface can be rotated left and right by 72°, front and back adjustment of 3CM. It can meet the modes of office mode, leisure mode and lunch break mode and so on;

【Ergonomic Imitation Adjustable Seat Depth Cushion】Wire-controlled seat depth adjustment function, 5CM adjustment, safe and reliable, sturdy and durable. Ergonomic human body imitation surface design, even pressure distribution, whether you are leaning back or forward, the seat surface can provide the most comfortable support, soothe the pressure on the back of the thighs and the entire buttocks, and maintain smooth blood circulation;

【Safety Certification】Safety is the top priority of SIHOO office chair.SIHOO S100 ergonomic office chair with 4 levels of electroplated gas rods: passed the SGS test, the U.S. BIFMA test. We promise to provide free product parts during the three-year warranty period from the date of purchase.