Thick Padded Contour Seat and Back with BuiltIn Lumbar Support One Touch Pneumatic Seat Height Adjustment Locking Tilt Control with Adjustable Tilt Tension Padded Flip Arms Black Bonded Leather (EC3) Heavy Duty Silver Coated Base with Black End Caps and Dual Wheel Carpet CastersThick Padded Contour Seat and Back with BuiltIn Lumbar SupportOne Touch Pneumatic Seat Height AdjustmentLocking Tilt Control with Adjustable Tilt TensionPadded Flip ArmsBlack Bonded Leather (EC3)Heavy Duty Silver Coated Base with Black End Caps and Dual Wheel Carpet Casters