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.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.