Wear By Themselves Wear Over Glasses (OTG) Rx-Able Fogstopper Lenses Evader 1 goggles can be worn by themselves, as an over the glass goggle (OTG) for small to medium sized glasses or have Rx lenses put in them. Interchangeable lenses give you day and night protection behind our our exclusive FogStopper coated, Polycarbonate, ANSI Z-87 safety rated goggles for work or fun. It's low profile and sleek design makes it our top selling goggle for Motorsports. Fits Over Small to Medium Size Glasses Interchangeable Lens Goggles 2 Lens Sets Include Free Lens Bag Indestructo Frame Exclusive FogStopper Lens Coatings Impact Resistant Polycarbonate Lenses 99.9% Protection from Harmful UV Radiation Polycarbonate Lens Tested @100mph+ Impact Stash Bag Included Limited Lifetime Warranty Rx-Able Options Available in Single, BiFocal & Progressives Changers Features: Changers Photochromic Day/Night Lenses Grey by Day, Light at Night-1 Lens 24/7 Transition From Clear to Grey in 60 Seconds in Full Sunlight Light Range is 80% Clear-18% Grey Meets or Exceeds ANSI Z-87.1 OVER-RX FIT Max. Width 5 1/4" Max. Height 1 1/2"