Beautifully upholstered with ultra-soft, durable and breathable black CaressoftPlus upholstery. Unique patent pending design. Pivoting hinged arm allows seat and back to move independently with the 2 to 1 synchro-tilt mechanism. 2 to 1 synchro-tilt mechanism with adjustable tilt tension control. Seat tilt allows the seat to lock in any position throughout the tilt range. Pneumatic gas lift seat height adjustment. 27” nylon base with black caps. Hooded double wheel casters.