Leather high-back chair supports up to 450 lb. with normal use in comfort. Integrated headrest and lumbar support provide exceptional comfort. Chair also features SofThread Leather, fixed padded loop arms and five-star base with smooth-rolling casters. Functions include pneumatic seat-height adjustment, 360-degree swivel, tilt, tilt lock and posture mechanism/lock. Seat measures 22-5/8" wide x 23-3/4" deep while back size is 22-5/8" wide x 45-1/4" to 48" high. Usable seat depth is 23-1/2" deep.