Stanley Astrospec 3000 Series Safety Glasses, Clear Lens (RST-61013) Impact-resistant polycarbonate lens features anti-fog coating for added safety Molded-in nose bridge and brow guards offer comfort, secure fit and protection Fits comfortably over most prescription eyewear Clear lens is suitable for outdoor use and ideal for most indoor work environments Meets ANSI Z87+ and CSA Z94.3 safety standards; meets military V0 ballistic impact test requirements (7x higher than ANSI); provides 99.9% UV protection