Encon 500 Series High Impact Chemical Splash Protective Safety Goggles, Gray Frame / Clear Lens High tech, lightweight body design with 4 base curve lens that offers distortion-free optics Impact resistant, superior chemical splash protection science goggles with 99.9% UVA & UVB protection to 385Nm Gray body color with a clear polycarbonate lens and temples with ENFOG coating and a black neoprene strap SEI, ANSI Z87.1 and - CSA Z94.3-2007 certified Flexible fitting design that fits over prescription glasses