Helmet with the maximum breathability ensured by a central section with a polypropylene honeycomb structure. Outer shell in ABS, a tenacious material even at low temperatures characterized by elevated hardness and shock resistance. Inner shell in perforated polystyrene foam and faced on the top with waterproof, breathable D-Dry® fabric. This particular construction guarantees elevated breathability and waterproof seal when snow falls. Removable liners in Sanytized® fabric. External soft black ear-pads and goggle fastening strap with quick-release buckle. Matte finish and glazed upper protection grid. Weight 650 g. EN 1077 Class B