Shell Painted HIR-TH (high resistant thermoplastic) resin Number of Shells 2 shell sizes Ventilation System: Front & top vents made from wide holes in the shell protected by metallic grids & side extractors Fabrics: Dry Comfort with hygienic treatment Inside padding: Removable & washable (excluding neckroll) Visor: Thanks to its innovative visor mechanism, the Blade/ Blade Air-Net offers the possibility of different visor & top shell configurations, as shown in the figure below. Clear & anti-scratch polycarbonate City 11 visor Shield Mechanism: &8220, Double Rail&8221, XQRS (Extra Quick Release System): shield & peak replacement without tools in few seconds Retention System: Micro-metric adjustment buckle