Alera Elusion Ii Series Mesh Mid-back Swivel-tilt Chair, Supports Up To 275 Lbs, Black Seat-black Back, Black BaseGet back to basics with this mid back office chair. It features a breathable mesh back, so you can stay cool, even if your office isn't. Molded foam fabric seat delivers all day support. Ergonomically designed chair frame encourages proper posture. Height adjustable ratchet back provides optimal lumbar support. Arm rests are padded for comfort. Recommended Applications: Conference, Training & Meeting; Executive & Management; General Office & Task;