Revive Executive Chair offers rejuvenating comfort and professional style. Revive technology massages your back as you rock back and forth promoting spinal wellness and circulation. Relax into the 6" thick seat cushion and 6-3/4" thick headrest. Chair is endorsed by the American Chiropractic Association. Cushioned seat, back and arms are upholstered in commercial-grade, black bonded leather. Height-adjustable arms also flip up and out of your way. Easily customize comfort settings with cable-activated fingertip control for pneumatic seat-height adjustment from 18-1/4" to 21-1/4" , tilt and tilt lock. Posture mechanism lets the back angle adjust independently of the seat and can be locked in an infinite number of positions. Other helpful functions include 360-degree swivel and tilt tension. Five-star nylon base is equipped with dual-wheel 57.5mm casters for easy chair movement. Seat is 22-1/2" wide x 20-1/4" deep. Back is 22" wide x 28-3/4". Weight capacity is 300 lb.