The Apollo is a perennial favorite, combining value, comfort, adjustability and quality. Synchro-tilt task chair features a breathable, color-coordinated mesh back that matches the comfortably contoured and padded waterfall seat. The front of the fabric-upholstered seat cushion slopes to reduce pressure on the back of the knees. 2-4/5" ratchet back-height adjustment allows the backrest to easily adjust up or down relative to seat for personalized lumbar region support and comfort. Arms adjust in or out from 19" to 20" and up or down from 6" to 9" from seat for proper ergonomic positioning. Seat height adjusts from 18-1/10" to 21-7/10". Other comfort features include tilt tension control and tilt lock. Seat size is 20-1/2" wide x 19-3/10" deep. Back measures 19-1/2" wide x 20" high. Weight capacity is 250 lb.