As a loyal customer, I purchased these glasses hoping to keep my workers safe in the plant. Unfortunately, as a result of my tests, i determined that these safety glasses were unreliable. They fogged up frequently, scratched easily, and didn`t fit comfortably. The plastic felt cheap and I worried that they wouldn't protect us from flying debris or chemicals .While these glasses may be listed in the Industrial and Scientific category they fall short on their promise of providing adequate protectiSee full review