SEALSKINZ Unisex Belgian Style Cycling Training Cap 100% Acrylic 3 centimeters high 24 centimeters wide The ultimate cold, wet weather training hat for when you absolutely have to go out and get the miles in Totally waterproof, windproof and breathable Fleece lined with additional ear band for extra warmth Short, stiff peak keeps rain and sun out of riders eyes Material composition: Outer Shell: 100% Acrylic; Micro-pourous Membrane; Inner: 100% Polyester