Take on a gamut of changing conditions and activities with just one pair of versatile eyewear. Like all Wiley X eyewear, Changeables are OSHA-rated occupational eye protection. They also meet U.S. military ballistic standards for protective combat eyewear.T-SHELL lens coating resists scratching in even the most extreme environments. WRAPBACK 90 degree lens technology eliminates tunnel vision allowing for excellent peripheral vision. Lens changes are quick and confident with the WX LOX frame system. The double injected frame is ultra-lightweight and reduces pressure on the nose and ears. Vapor Sunglasses are low profile and NVG compliant in design.Safety rating: ANSI Z87, MIL-PRF-31013, GL-PD 10-12 MCEPFeatures:Shatterproof Selenite polycarbonate lenses that meet MIL-PRF-32432(GL) Ballistic StandardFOIL lens coating gives unsurpassed anti-fog protection100% UVA/UVB protection with distortion free clarityANSI Z87.1-2010 High Velocity and High Mass Impact Standards as well as EN.166FT ...