Built to withstand all-day use, executive high-back chair offers high performance and comfort. 3" thick sculpted cushions, lumbar support and wraparound back provide exceptional support, and an array of adjustments allows a customized fit. Functions include asynchronous control, pneumatic seat-height adjustment from 17-1/2" to 19-3/8", seat-glide mechanism, back-height adjustment, 360-degree swivel, tilt and tilt tension. Arms adjust in height up to 10-9/13" and width to 19-3/8" for a custom fit. Chair, including the outer back, is upholstered with fabric in the Centurion color selection, which is Grade III, CAL 133 compliant. Executive high-back chair also offers a 25" diameter five-star nylon base and dual-wheeled casters for stability and mobility. Weight capacity is 300 lb. Seat size is 19" wide x 19-5/8" deep. Usable seat depth ranges from 17-5/8" to 19-5/8". Back measures 19" wide x 24-1/2" to 27-1/2" high. Chair is available in black frame only.