Made with 100 percent virgin materials which improves the clarity of the material, as well as the strength. Features indirectly vented side temples to help keep the users cool; fit over most prescription eyewear to protect from impact. Used in applications such as power tool work sawing/drilling in metal or wood, hammering, painting or overhead work. Meet the high impact requirements of the American National Standards Institute's ANSI Z87.1-2010 standard.