Professional Black Breathable Mesh Back Chair with Adjustable Leather Headrest and Leather Seat. Thick Padded Contour Top Grain Leather Seat and Breathable Mesh Back with Adjustable Lumbar Support. Height and Depth Adjustable Headrest. Pneumatic Seat Height Adjustment. Infinite Locking Sync Knee Tilt Control. Angled Height Adjustable Arms with PU Pads. Top Grain Leather Seat. Heavy Duty Gunmetal Finish Base with Oversized Dual Wheel Carpet Casters.