The Office Master OM5-AN is the nesting chair in the OM5 Active Series. This chair promotes open body angles for better circulation and features a flexible nylon uni-shell with fiberglass for durability and comfort. The OM5-AN's unique articulating chair top allows for synchronized motion between the seat and back, providing a seamless and active sitting experience. With built-in ganging clips, a 300 lbs weight capacity, and a lifetime limited warranty, the OM5 Active is perfect for any active, collaborative work environment.