Beautifully upholstered in black LeatherPlus. LeatherPlus is leather that is polyurethane infused for added softness and durability. Executive High Back styling with extra lumbar support . Extra thick seat and back cushion. Pneumatic gas lift provides instant seat height adjustment. Adjustable tilt tension control. Upright locking control. Durable polypropylene armrests. Large 27 nylon & chrome base for greater stability. Hooded double wheel casters. Matching guest chair with cantilever base (B7309). Optional knee-tilt mechanism upgrade available. High back model (B7302) Mid back model (B7307)>