Take on a gamut of changing conditions and activities with just one pair of versatile eyewear Smoke gray lens have maximum glare reduction Won't distort colors Excellent in bright/glare conditions Meets or exceeds the military's stringent MIL-DTL-43511D (goggles) and MIL-PRF-31013 (spectacles ballistic standards ANSI approved frames can accommadate prescription safty lenses up to +6.00/-6.00 total power Meets and exceeds ANSi Z87.1-2003 high velocity impact safety and optical standards