Office Desk Chair with Lumbar Support - X913OC

360° swivel office chair with high-density sponge and waterfall-edge seat. Durable metal base and casters allow smooth movement while protecting floors. High-back ergonomic design with widened shoulder support and adjustable lumbar. Backrest tilts from 90°–110° with 4 lockable positions for flexible seating. 2D adjustable headrest and 3D armrests support various body types and postures. Sliding seat cushion offers adjustable depth for proper thigh and spine support. Breathable mesh back and soft linen cushion ensure cool, all-day comfort. Weight capacity: 250 lbs. Clearance: No returns , but customer service is still available.