Pyramex Safety V2G Readers Black Frame/Clear Anti-Fog +2.5 Les Foam padding forms a perfect seal to keep out dust and airborne particles. Lenses are treated to prevent fogging and self seals small scratches. 9.75 base curved lens provides full side protection. Headband features quick fit retainer. Lenses provide 99% protection against harmful UV rays. Strategic placement of lens insert is out of the users direct line of vision.