Deep molded seat and back of this high-back, multi-task chair provide added comfort. The chair also features pronounced lumbar support with 2" back height adjustment. Posture control allows pneumatic seat-height adjustment (18-9\/10" to 22-2\/5"), back-height adjustment, 360-degree swivel and asynchronous control. Adjustable height and width arms provide additional comfort. Chair is available in black frame only. The fabric is 100 percent acrylic. Abrasion rating is 30,000 cycles. The back measures 20-1\/2" wide x 7" thick x 23" high. Chair offers a 225 lb. capacity.