Stanley Polysafe Economy Safety Glasses, Clear Lens (RST-61001) Polycarbonate lens provides reliable impact protection from flying chips and particles Wraparound style allows for superior peripheral vision and protective coverage 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; provides 99.9% UV protection