&ldquo;Biohazard&rdquo; Full Face Matte Green Dual Visor Street Bike Motorcycle Helmet by Triangle [DOT] (X-Large) Full Face Helmet. DOT Approved. Advanced ABS shell with high pressure thermoplastic technology. Multi Density EPS liner. Ventilation system with top and rear extractors liner. Double PC anti-scratch visor and removable DVS treatment with quick change mechanism system.