Features The mid-back chair features a body weight control mechanism that moves with you. This chair control allows your body weight to recline the chair and return the chair to its task position for easier control. The automatic tilt tension adjustment offers five locking positions. Other features include 360-degree swivel and pneumatic seat height adjustment from 18 to 0.25 in. to 22.25 in. The height-adjustable arms are covered with polyurethane pads for your comfort. Recline easily with the mesh back and fabric upholstered seat. The 27-1/6 in. diameter spider base is made of nylon and equipped with five 60 mm dual-wheel casters for easy chair movement. Weight capacity is 250 lbs. Seat measures 19-1/8 in. Width x 17-1/8" depth. Back dimensions are 19-9/31 in. width x 21-6/23 in. height. Color: Black