GLX DOT Bluetooth Full Face Modular Flip Up Motorcycle Helmet (Bluetooth Option Available) - Frontiercycle (Free U.S. Shipping (M, SILVER WITH BLUETOOTH) Meets or Exceeds D.O.T. Standards / Double D-Ringe Retention System / Softa and comfortable interior Anti-Fog / Anti-Scratch Face Shield * Fully Removable / Washable Liner High Impact Resistant Thermoplastic Shell Available with or without Built in Bluetooth Communications System Advanced channeling ventilation system / Integrated un shield / Quick release shield replacement system