Details: This mid-back chair features a crisp visual design and a variety of ergonomic adjustments at an irresistible price. Mesh back offers breathable support and conforms to the natural curvature of the spine. Adjustable-height and width arms move up and down, as well as, toward and away from the body to adapt to various body sizes. Asynchronous control offers a wide range of movement, assists in spinal alignment and distributes users weight evenly. Supports up to 250 lbs.