The high-tech mesh fabric will receive your back and neck pain, and you’ll stay cool and comfortable throughout all the seasons. This ergonomic chair spontaneously supports your posture, even when you shift and change positions. It adapts naturally and adjusts precisely to fit people of all sizes and postures doing all kinds of work for a long period of time. The beautiful design gives superior comfort and body support. Built with a sturdy mesh and strong frame, this chair is designed to last a long time. Seat and arm height and arm width can also be adjusted. Large 27″ five-star nylon base with dual-wheel casters rolls easily and keeps chair stable.