Extended height chair with footring features a 4" deep contoured seat upholstered in vinyl for full comfort. Adjusts from 23" to 33" high. Functions include pneumatic seat-height adjustment, manual back-height adjustment, seat-depth adjustment and 360-degree swivel. Chair holds 250 lb. Seat size is 17-3\/4" wide x 16" deep. Back size is 16-1\/4" wide x 14" high. 25" sturdy five-star base features dual hooded 2" casters. Adjustable footring and contoured seat provide full comfort.