Features: MOUNT · Meets the most stringent military ballistic standards.· Elegant design envelope.· Patillas and nasal bridge anti-slip double injection.· Comfort extended.LENSES · interchangeable lens system.· 100% protection against UVA and UVB rays, clarity without distortion.· Selenite polycarbonate shatterproof lenses.· Layers T-Shell and Foil provide protection against scratches and fogging.· Supports prescription glasses (RX).RULES · GL-PD 10-12 MCEP standard ballistic (replaces U.S. MIL-PRF-31013 VO ballistic impact).· U.S. MIL-PRF-31013 VO ballistic impact.· ANSI Z87.1-2008 high velocity impact (HVP).· ANSI Z87.1-2008 high-mass impact.· STANAG V50.· U.S. FEDERAL OSHA 1910.133 (b) (1) (i).Package Contents: · matt black mount. · 3 sets of lenses: smoked gray (light transmission: 20%), transparent (light transmission: 89%) yellow and orange (light transmission: 53%).· Elastic adjustment.· Case.· Cleaning cloth.