Pike High-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 18.5"-20.9" 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, integrated headrest 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 20.1" D. Back measures 28.3" H and 20.5" D.