Radians Sheath OTG safety glasses Fits over most prescription lenses Clear anti-fog polycarbonate lens Telescoping, ratcheting silver temples Produced in ISO-certified facilities Meets or exceeds ANSI Z87.1+ standards 99.9% UVA/UVB protection * Wearing prescription glasses can be a real problem when shooting because they're not sufficient to withstand a mishap with a ricocheting or wayward projectile. To get maximum protection for your eyes, slide a pair of our Radians Sheath OTG safety glasses over your prescription lenses, and let the shooting begin!