The changeable lens capability allows maximum light condition versatility.These lenses are shatterproof and block 100% of uv rays.Glasses certified ansi z87.1-2003 high impact and optical performance standard.The glasses meet gl-pd 10-12 mcep standard, superseding mil-prf-31013 ballistic standard.Rated as osha-grade occupational protective eyewear.Temple Sleeves: YesType: Shooting/Sporting GlassesFrame Color: Black MatteNrr: N/AQuantity: 1 PairStyle: Men And WomensLens Coating: T-ShellFrame Type: Triloid NylonPolarized: NoUv Rating: 100%Nose Piece: Double Injected RubberLens Type: Prescription ReadyAnsi Rating: HVP ShatterproofLens Color: Smoke/Clear/RustFrame Material: Triloid Nylon