Shell Painted HIR-TH (high resistant thermoplastic) resin Number of shells 1 shell size Ventilation System Dynamic system with air intakes and rear extractors Fabrics Dry-Lex® with hygienic treatment Inside padding Removable and washable (excluding neckroll) Visor Clear, anti-scratch and anti-fog polycarbonate Street 8 visor Shield Mechanism XQRS (Extra Quick Release System): shield replacement without tools in few seconds PVS (Perimetrical Visor Seal) Retention System Micro-metric adjustment buckle Sizes XS,S,M,L,XL, XXL