Big Man's Chair with Air Grid Back and Leather Seat Height and Width Adjustable Arms with PU Pads; Big and Tall to 400 lb.; Mid Pivot Knee Tilt Control; Big and Tall to 400lbs; Thickness 4.25; Shipping Method UPS; Color Black; Materials Air Grid/Metal/Leather; Assembly Required Yes; Series 75 Series; Arms With; Feature Type Height 44.5 in.; Feature Type Width 28.75 in.; Feature Type Length 30.25 in.; Depth 21; Material Air Grid, Metal, Leather; Assembly Yes; Style Modern; Finish Black One Touch Pneumatic Seat Height Adjustment Extra Heavy Duty Gunmetal Finish Base with Oversized Dual Wheel Carpet Casters Thick Padded Layered Leather Seat and Double Air Grid Back with Built-in Adjustable Lumbar Support Adjustable Tilt Tension Control