The Champion Hats are made from an outer ABS Plastic shell, a polystyrene liner with foam padding and an internal fabric lining for comfort. They are lightweight and comfortable to wear, but tested to destruction to ensure you're totally protected from falls.Polystyrene linerABS Plastic shell_ Velvet pile outerFoam paddingKitemarked to PAS015 and B.S.EN1384 standards.Webbing chin strap