Bobster Night Hawk OTG Goggles w/Smoke Anti-Fog Lenses. These Bobster Goggles fit over most RX glasses and comes with a single anti-fog lens. The flexible polyurethane frame from Bobster Action Glasses has double layer foam (neoprene and open cell) for added comfort and to seal out wind and dust. Specifications for Bobster Night-Hawk OTG Goggle with Smoke Lenses: Frame Color: Black Frame Convertible: N/A Frame Finish: Gloss Frame Foam Type: 2 layer Neoprene and Open Cell Frame Material: Polyurethane Frame Measurements: Width 163 mm Frame Height 65 mm Frame RX Ready: No Frame Temples: N/A Lens Coatings: 100percent UVA and UVB protection Anti-Fog Lens Color: Anti-fog Smoked Lens Material: Polycarbonate Lenses Interchangeable: No Features of Bobster NightHawk OTG Goggles with Smoke Anti-Fog Lenses: Fits over prescription glasses Anti-fog coating Single lens design Standards Met: UV400 Storage: Carry Case Warranty: Limited Lifetime against Manufacturing Defects Package Contents: Bobster Goggles from Night Hawk Over The Glass Series with Smoke Anti-Fog Lenses BHAWK01 Carry Case Microfiber Cleaning Cloth