Managerial mid-back chair features deep contours and a generous size to provide you with maximum comfort. Design features loop arms and 4" thick padded seat and back with 100 percent polyester upholstery. Functions include a full 360 degree swivel with pneumatic seat-height control, tilt, tilt tension and tilt lock control. Seat adjusts from 17" to 22". Seat adjusts from 17" to 22". Seat size is 21" wide x 18-1/2" deep. Back measures 22-1/2" wide x 21" high. Five-star base includes 2" hooded dual-wheel carpet casters. Weight capacity is 250 lb. Chair meets or exceeds applicable ANSI/BIFMA standards.