NITRO N2300 UNO DVS HELMET FEATURES Latest ECE 22.05 standard compliant Custom designed Multi Poly Tech (MPT) constructed shell Integrated spring loaded sunvisor system - DVS with side mounted activation switch for ease of use. Twin integrated air filtration system at brow with open and close positioning and large contact points for ease of use Triple rear exhaust vent system allows for ultimate heat dissipation Micrometric buckle for ultimate adjustability and perfect tension Ultra comfort fit washable and removable liner system Quick release, Factory prepared Pinlock visor - for use with Nitro Pinlock Anti-fog insert