Lightweight frame Meets or exceeds ANSI Z87.1 industrial standards for high-mass and high-velocity impact protection. An amber-tinted lens under an emerald green multi-coat mirror surface that's specifically designed to amplify colour contrast and deliver high visual definition. Distinct colours and crisp acuity in all light conditions for superior visual performance. Light transmission 14%-16% polarized 100% UVA/UVB protection with distortion-free clarity