High-back executive chair brings comfort and stability to any office environment. It features durable, premium vinyl upholstery and high-back styling with exemplary lumbar support. Arms adjust in height from 24″ to 30″ for best positioning. Executive chair also features pneumatic gas lift seat-height adjustment from 19-1/2″ to 22-1/2″ , 360-degree swivel, adjustable tilt tension control, spring tilt mechanism, and ability to lock in the upright position. Large 27″ , five-star nylon base provides stability while affording plenty of mobility thanks to its five hooded, double-wheel casters. Seat size is 20″ wide x 18-1/2″ deep. Back size is 20″ wide x 28″ high. Weight capacity is 275 lb.