GLOBAL VISION HERCULES SMOKED SAFETY GLASSES

The frames are made of resilient high-grade nylon. The poly-carbonate lenses are so tough that when shot with a 1/4" steel ball (at over 100 mph) only a dimple was left in the lens! Global Vision hasn't been able to find anyone yet who can break 'em!" (maybe that is why they are called Hercules) FEATURES: Shatter Proof Polycarbonate Lenses UV 400 Filter for Maximum Protection Scratch Resistant Coating Nylon Frame Meets ANSI Z87.1 Standards For Safety Glasses

This brand of glassess is the best around! Great deal - can be used also as safety glasses!