Contour Self Skinned Urethane Seat and Back with Builtin Lumbar Support One Touch Pneumatic Seat Height Adjustment Back Height Adjustment Adjustable Footrest Heavy Duty Nylon Base with Dual Wheel Carpet CastersContour Self Skinned Urethane Seat and Back with Builtin Lumbar SupportOne Touch Pneumatic Seat Height AdjustmentBack Height AdjustmentAdjustable FootrestHeavy Duty Nylon Base with Dual Wheel Carpet Casters