This attractively styled chair offers a clean look, with gracefully curved seating that envelops you. Having the support of an ergonomic office chair may help promote good posture and reduce future back problems or pain. High back office chairs have backs extending to the upper back for greater support. The high back design relieves tension in the lower back, preventing long term strain. The synchro tilt control allows the chair''s back and seat to recline at different rates, increasing the angle between your torso and thighs. Chair easily swivels 360 degrees to get the maximum use of your workspace without strain. The pneumatic adjustment lever will allow you to easily adjust the seat to your desired height. The chrome padded arms and aluminum base add to the contemporary appeal of this chair. Features: Contemporary Office Chair. High Back Design. Built-In Lumbar Support. 2-to-1 Locking Synchro Tilt Adjustment. Tilt Tension Adjustment Knob. Swivel Seat. Pneumatic Seat Height Adjustment. Chrome Padded Arms. Heavy Duty Aluminum Base. Dual Wheel Casters. Dual Wheel Casters. Black LeatherSoft Upholstery. LeatherSoft is leather and polyurethane for added Softness and Durability. CA117 Fire Retardant Foam