Beautifully upholstered in Black Leather Plus. LeatherPlus is leather that is polyurethane infused for added softness and durability. Pillow Top Design with a perforated center. Padded armrests covered with Caressoft upholstery. Adjustable tilt tension control. Pneumatic gas lift seat height adjustment. Large 27 nylon base for greater stability. Hooded double wheel casters.