Combines the best features of goggles and glasses.  Foam padding forms a perfect seal to keep out dust and airborne particles.  Lenses are treated to prevent fogging and self seals small scratches.  Headband features a quick fit retainer.  Also includes a pair of interchangeable temples that convert these to standard style safety glasses.  Exceeds ANSI Z87.1-2003.  Optional Rx insert available, designed to clip into goggle.