Pike Mid-Back Executive Chair offers adjustable elements for personalized ergonomic comfort. Synchro-tilt mechanism uses tension adjustment for simple adaptation in most work environments. 360-degree swivel lets you move around more easily within your work space. Seat adjusts in height from 19.7"-22.4" to accommodate people of most heights and to ensure you're working from the most ergonomic position possible. Strong, aluminum base features a sleek, polished finish. Enjoy added comfort with a well-cushioned seat and padded arms. Arm distance measures 21.3". Durable polyurethane upholstery looks great and is easily cleaned for convenience. Seat measures 21.3" W and 20.9" D. Back measures 20.9" H and 20.1" D.