ArtWall CL010 Crews Checklite Uncoated Clear Frame Safety Glasses, Set of 12 Meets military MIL-PRF-31013 clause 3.5.1.1 for high velocity impact protection Meets or Exceeds ANSI Z87+ Flexible spatula temple design for a comfortable fit during long use Strong, lightweight polycarbonate lens, Filters 99% of U.V. radiation Near total seal of eye orbit assures the highest level of protection