This ergonomic office chair offers numerous adjustable features, including headrest height, armrest height, seat height, backrest tilt, and tilt tension. It features a breathable mesh back for support and cool air circulation, allowing for longer sitting periods. The chair is easy to install with simple instructions and pneumatic controls. With high-quality materials, it provides a comfortable and ergonomic work environment. The chair is made from durable materials and offers a comfortable work environment.