Flip Arm Mesh Back Task Chair is ergonomically designed to prioritize comfort and convenience. Backrest is made with horizontal mesh for breathability. Foam-padded seat is covered in soft-touch fabric for added comfort. Chair incorporates a spring-tilt mechanism with a pneumatic gas lift for effortless height-adjustment and an upright locking position. Customize the tilt tension using the knob to achieve your preferred setting. Chair is equipped with flip-up arms for easy maneuverability and supports up to 275 lb.