Task chair features a frameless back that provides flexibility that moves with you for ultimate comfort and support throughout the workday. Design offers a poly back and cushioned black fabric seat, black frame and black nylon base equipped with casters for easy chair movement. Arms are height-adjustable, pivoting in and out. Arm pads are depth-adjustable to accommodate all users. Other functions include 360-degree swivel and dual-action synchro tilt mechanism with tilt lock and tilt tension. The back reclines at a two-to-one ratio to that seat angle so you can recline while keeping seat cushion relatively level to floor.