Z1R Nemesis Smoke Helmet The Z1R Nemesis Helmet features an aerodynamic polycarbonate ABS molded shell designed to minimize drag and wind noise at highway speeds. It comes equipped with an integrated drop down sun visor, a polycarbonate anti-fog shield and adjustable ventilation to maintain comfort during your ride. Features: Moisture wicking liner Dual density EPS liner Aerodynamic, polycarbonate ABS molded shell design minimizes drag and wind noise at highway speeds Integrated drop-down sun visor for instant glare reduction Micrometric chin strap Built-in speaker pockets for communication systems Polycarbonate anti-fog shield Closable vents at the chin, crown and open rear exhaust for adjustable airflow DOT certified