101181 - M Surrey Hat Waterproof and wind resistant, our Surrey Hat is made of .50-mm PVC fabric for durability and strength under tough conditions. It has flannel lining and the seams are electronically welded. The wide brim helps keep water from hitting your face, and there are also ear and neck protection flaps. Elastic chin strap. *Waterproof and wind resistant *Tough .50-mm PVC fabric *Flannel lining