HJC V31 Helmet The HJC V31 Helmet is constructed from a fiberglass outer shell that is lightweight and has a superior fit with enhanced comfort. Removable and washable interior pads provide moisture wicking and quick drying function. Features: Fiberglass Outer Shell that is lightweight, has superior fit and enhanced comfort IS-10 inner sun shield Smoke internal visor installed Optimized 3-step adjustments for internal visor Interior provides moisture wicking and quick drying function Removable/washable crown and cheek pads DOT approved