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 our 4-way adjustable arms move side to side, up and down, back and forth, and pivot to support you in any posture. Weight tested and warranted up to 300 lbs. with no loss of performance.