Designed for workers who have difficulty reading small print or are engaged in small detail work. Lexa™ reader protective eyewear features magnifying diopters and lightweight anti-fog lenses with multiple lens options, angles and temple lengths. Lexa™ reader protective eyewear is designed to help those engaged in small detail work. The polycarbonate lens has three lens angles for a custom fit. These high H-wrap and contoured safety glasses help protect your eyes from impact and UV. Clear, anti-fog lens, lens is easy to switch simply snap off-the temples and re-attach them to the desired lens - black temple - medium size +2.5 magnification diopter - 3M™ DX™ anti-fog hard coat protects lens from fog, scratching and many chemicals - polycarbonate lens absorbs 99.9% UV - meets the requirements of CSA Z94.3-2007 and the high impact requirements of ANSI Z87.1-2003 - 20 safety glasses per case.