Features Meets ANSI Z87.1-2010 standards for use in industrial applications Shatter-proof polycarbonate lenses UV400 filter for maximum UV protection Scratch resistant coating One-piece lens design Double-injected colour rubber on temples ANSI Z87.1 ANSI Z87.1 is an important standard for all protective & safety eyewear in the USA. This standard covers many types of safety glasses: Temple goggles, safety glasses, face shields, & also goggles with & without prescription lenses. ANSI Z87.1 specifies the general requirements for protective eyewear as well as the test methods. General requirements include the optical quality of the eyewear, light transmission, allowable refractive powers & clarity of the transparent lenses. General physical requirements are the absence of sharp edges & defects that may cause discomfort or injury to the wearer.