Upgrade your workspace with the ATHOPE Ergonomic Mesh Office Chair, engineered for all-day comfort, flexible support, and pain-free productivity. This upgraded high-back model features a unique 3D adjustable headrest (3.1" up/down and 45° rotation) to perfectly relieve neck fatigue, paired with a 3.1" adjustable lumbar support that actively cradles your spine's natural curve, delivering effective relief from back strain during prolonged sitting. The seat is crafted with 3.14" thick high-density foam and a breathable mesh back, offering a perfect balance of softness and resilience to keep you cool without losing firmness. Designed for modern flexible workspaces, the 90° flip-up armrests allow you to slide the chair effortlessly under your desk to maximize room space, while the 360° swivel and 90°-120° recline function allow free posture switching. With a robust 300 lbs max load capacity, a reinforced 3-stage gas lift, and FSC-certified eco-conscious components, this chair delivers durable stability and sustainable quality. All parts meet strict BIFMA and SGS safety standards, and it assembles in just 15 minutes with the included tools.