This new-concept ski helmet has an outer shell in ABS & a movable, removable polycarbonate visor. This helmet’s special construction makes it particularly suited for wearers of optical glasses who want to protect their eyes on the slopes with perfect visibility at the same time. Inner shell in perforated polystyrene foam. Liners in Sanytized® fabric External soft black ear-pads & goggle fastening strap with quick-release buckle. Soft touch paint treatment. Technical Features Shock Protection: Exterior shell in ABS Homologation: EN 1077 class B homologation Exterior & interior shell: Shock-absorption shell in polystyrene foam (EPS) Temperature adjustment: Upper & rear air inlets Weight: 600g Functionality: Double lateral goggles strap fastening buckle Visor: Removable / Movable polycarbonate visor (Can be used with other visors)