Bobster Nighthawk OTG Goggles Bobster Nighthawk OTG Goggles fits over must Rx glasses and comes with a single anti-fog lens. Flexible polyurethane frame that has a double layer foam for added comfort and to seal out wind and dust. Features: Fits over most RX glasses Anti-fog smoked lens 100 Uva/Uvb protection Flexible polyurethane frame Double layer foam Includes a carrying case and microfiber cleaning cloth