Nitro tattoo street helmet, custom designed aerodynamic polycarbonate injected shell, adjustable vent at chin, duar air filtration system at brow with open and close positioning, tri-piece rear exhaust vent allows for ultimate heat dissipation, injection moulded 3d visor with anti-scratch coating, quick release interchangeable visor mechanism, customizable cheekpads/crown and liner, pre-moulded removable nose-guard, micrometric buckle allowing for ultimate adjustability and convenience, anatomic luxury cheekpads and comfort lining. Dot approved.