A chair with a classic design that provides all day comfort, the back includes a system of flexors for continuous lower back support as you move throughout the day, it helps keeps your body aligned to your work throughout the day as you recline and switch postures. The seat contours to you, while a flexible seat edge relieves pressure on the back of your legs as you recline or lean forward on our height adjustable arms that move up and down. Weight tested and warranted up to 300 lbs. with no loss of performance.