KleenGuard OTG "Over the Glasses" Safety Glasses, designed to fit over prescription eyewear (Base curve 5)Black Frames with IRUV Shade 5.0 Lenses (protects against infrared and ultraviolet radiation)See-through side shields provide side impact protection without blocking peripheral visionFeatures an hard coating to prevent lens damageMeets ANSI Z87.1+ standards for high impact and polycarbonate lenses provide 99.9% UVA / UVB / UVC protection