Two shell sizes for improved fit SSL construction uses carbon Kevlarreg fiber stratification and core-system technology for strength and light weight X-Vent Air Dynamic Design gives an improved aerodynamic penetration index to dramatically reduce buffeting and increase stability X-Vent ventilation system uses vents and extractors to supply fresh cooling airflow inside helmet Removable washable CoolMaxreg interior stays comfortable Flat molded UV-resistant anti-scratch and anti-fog shield with optional tear-off system available Shield needs no tools for removal Double D-ring chin strap Comes with a clear shield B.S.I. and DOT certified
