The NITRO uses a polycarbonate injected shell, with ventilation provided by a dual position chin bar vent, plus dual brow and twin rear vents. It also features an injection-molded visor with anti-scratch coating, that comes ready-to-use with an anti-fog pinlock insert. Ultra-comfort fit, washable and removable liner and Double-D buckle make for a perfect fit. Integrated rear exhaust ventilation ports to increase airflow within the helmet. MPT (multi poly tech) constructed full face shell. Pre-moulded removable nose guard/breath deflector, Ultra comfort fit washable and removable liner system.