The F&P Simplus™ headgear helps to keep the mask in place while you move. It is also breathable and ergonomically designed to self-locate high on the rear of the head. The headgear is made of a durable, soft fabric which is designed for comfort. In addition, the headgear incorporates stretch and non-stretch panels, and an adjustable Crown Strap. With multiple adjustment points, you can achieve the right fit for you.