ON-22 Ergonomic ChairThe ON 22 is a full mesh ergonomic chair built for long hours at the desk. Complete mesh across the seat, backrest and headrest keeps airflow consistent throughout the day, while 3D adjustable lumbar support lets you dial in the exact position your lower back needs. The headrest adjusts in height, angle and depth, and detaches entirely if you prefer a cleaner look. With height adjustable armrests and a multi function tilt with three lock points, the