This optical safety glasses is a stylish wraparound design and one-piece polycarbonate lens with integral side shields that filters out 99.9 percent of UV radiation. It is best scratch proof safety glasses. An unrestricted field of vision allows the user to see hazards in the work environment, while the molded nose bridge and lightweight design provide comfort and fit a variety of facial features. This optical safety glasses has an unrestricted field of vision allows the user to see hazards in the work environment, while the molded nose bridge and lightweight design provide comfort and fit a variety of facial features. Duramass Hard Coat has been added to help extend the longevity of the lenses with proper care. The optical safety glasses has Extendable Temples to fit any size. The Solid Sturdy Dielectric Safety Glasses is one of our most popular sellers! An affordable option for high schools, factories, manufacturing plants and anyone else needing quality, economic safety glasses. Features: Upper browbar protection Extendable Temples Molded Nose Bridge Lenses provide 99.9% UV A/B protection Measurements: Width: 149 mm Lens Height: 55mm Temple Length: 101 mm Lens Width:76mm Nose Space:21mm Compliance: ANSI Z87.1 EN166F CEChina Anti-Fog Safety Glasses manufacturers website:http://www.glaccys.com/safety-glasses/anti-fog-safety-glasses/