Breathable Screen Back with Built-In Lumbar SupportThick Padded Contoured Bonded Leather SeatOne Touch Pneumatic Seat Height Adjustment2-to-1 Synchro Tilt with Adjustable Tilt TensionPadded Flip Arms with Coated AccentsEspresso Bonded Leather (-EC1)Heavy Duty Cocoa Finish Base with Black End Caps and Oversized Dual Wheel Carpet Casters