Seat Height Adjustment Sets seat height to desired position relative to floor. Waterfall Seat Front of cushion slopes to reduce pressure on the back of the knees. Width Adjustable Arms Adjusts arms in or out for proper ergonomic positioning. Arm Height Adjustment Adjusts arm up or down for proper ergonomic positioning while seated. 2.8" Ratchet Back height Adjustment Backrest easily adjusts up or down relative to seat for personalized lumbar region support and comfort. Includes Both Castors and Glides
