Beautifully upholstered in LeatherPlus. LeatherPlus is leather and polyurethane for added softness and durability. Pillow top design with perforated center for added comfort. Padded armrests covered with CaressoftPlus upholstery. Upright locking position. Pneumatic gas lift seat height adjustment. Adjustable tilt-tension control. Large 27” nylon base for greater stability. Hooded double wheel casters. Optional knee-tilt mechanism upgrade available.