Hon Mid-Back Pneumatic Chair, 30-1/2"x31-1/2"x42", Burgundy Mid-Back Posture Control Task Chair allows you to customize comfort settings. Features pneumatic seat-height adjustment, back height adjustment, swivel, tilt, tilt tension, tilt lock, and posture mechanism. Also features a shoulder-height recess which cradles upper spine and deeply contoured curvilinear back with pronounced lumbar support for all-day comfort. Shoulder height recess with integral headrest to cradle upper spine. Wave-formed seat provides a natural "settling in" place. Adjustable height arms with super soft arm pads. Fully upholstered outer back. Five star base with dual wheel, hooded casters. Available in black frame only.