Designed For Whole Day Comfort Under Daily Use: This Ergonomic Home and Office Chair provides the right balance of features and controls for whole day comfort under daily use. Useful Adjustments: This chair features the right amount of adjustments to maximize ergonomics, without adding unnecessary complications. You can adjust the seat height, armrest position, backrest angle, headrest height, and tilt tension. Breathable Mesh Backrest: The breathable mesh seat back allows for maximum air flow and provides the proper amount of tension to cradle your back. Molded Foam Seat: The molded foam seat has a medium firmness and thickness to support without sinking or sagging, which could lead to improper posture.