Designed for unmatched customizability. Adjustable lumbar support helps reduce back pain. Contoured seat with thick cushion. Height-adjustable padded headrest tilts provides support and comfort. Durable five-star base with casters. Recommended Applications: General Office & Task; Specialty—Big & Tall, 24/7; Seat/Back Color: Black; Features & Functions: Pneumatic Seat Height Adjustment; Seat Glide Mechanism; Tilt Tension/Tilt Lock.