Global’s Stamina High-Back Heavy-Duty Posture Task Chair is loaded with ergonomic features that make it a great choice for long hours at the office. Memory foam padding distributes weight evenly and allows you sit longer without discomfort. A curved seat back supports your lower back and can be raised or lowered to fit any individual. The seat height, seat depth and arm width are adjustable, so you can easily find the most comfortable position for your body type. Tension adjustment, a waterfall seat edge and forward seat angle also come standard on this chair.