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 Espresso Bonded Leather (EC1) Heavy Duty Cocoa Coated Base with 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 ArmsEspresso Bonded Leather (EC1)Heavy Duty Cocoa Coated Base with Dual Wheel Carpet Casters