HelmetShell: HIR TH (high resistant thermoplastic) high resistance varnished thermoplasticNumber of shells: 2 shell sizesVentilation system: front and top air intakes achieved through large holes in the shell protected by metal grids and lateral extractorsFabric: Dry Comfort with antibacterial treatmentInterior: removable and washable (except for the neck roll)Visor: clear City 11 polycarbonate anti-scratch visorVisor mechanism: XQRS (Extra Quick Release System) with Double Rail for removing and reattaching the visor and peak in seconds, without toolsClosure system: micrometric adjustment buckle