SHELL Carbon-Aramidic construction and epoxy resin. Carbon-Aramidic technology. Real CarbonVENTS Dynamic system with 2 air flows and 1 extractor.LINING Removable and washable; perspirant neck roll and Sanitized treatement.VISOR Anti-scratch and Anti-fog treatment.INSIDE VISOR Dark visor inside the helmet, easy to action.CHIN STRAP Quick release buckle with micrometric regulation.SIZES 6 sizes available from XS to XXLWEIGHT 1.290 ± 50 grams