The Walker's Sport Shooting Glasses Kit features a comfortable and protective design. The kit features four interchangeable lenses, a ratcheting lens pitch adjustment for custom fit and comfort, adjustable nose pad, and fog preventive design. They provide 99% Ultra Violet (UV) protection, are made from high impact polycarbonate material, and exceed ANSI 287.12003 High Impact Requirements. FeaturesFour interchangeable lenses- Smoke Gray, Amber, Yellow, and ClearRatcheting lens pitch adjustment for custom fit and comfortAdjustable nose padFog preventive designProvide 99% Ultra Violet (UV) protectionMade from high impact polycarbonate materialExceeds ANSI 287.12003 High Impact Requirements