Mesh high-back chair features high-strength, elastic nylon mesh upholstery. Two-way adjustable armrests offer padding for comfort. Seat and back angles can adjust independently with the multi-task control. Seat-glide mechanism travels forward and back and then locks into position. Other functions include tilt tension and tilt lock. The 26" diameter, five-star base is made of aluminum with a black powder-coating and is equipped with 60mm casters for easy mobility. Weight capacity is 275 lb. Seat measures 19-7/10" wide x 21-3/10" deep. Back size is 20-7/10" wide x 24" high.Mesh high-back chair features high-strength, elastic nylon mesh upholstery. Two-way adjustable armrests offer padding for comfort. Seat and back angles can adjust independently with the multi-task control. Seat-glide mechanism travels forward and back and then locks into position. Other functions include tilt tension and tilt lock. The 26" diameter, five-star base is made of aluminum with a black powder-coating and is equipped with 60mm casters for easy mobility. Weight capacity is 275 lb. Seat measures 19-7/10" wide x 21-3/10" deep. Back size is 20-7/10" wide x 24" high.