Deep molded seat & 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 & asynchronous control. Adjustable height & 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.