GuardianProŽ Medium Safety Glasses are a perfect match for today's contemporary Rx frames. The modern design allows for maximum protection with the added bonus of superior style and comfort.
Fits over frames up to 5 1/4"w X 1 1/2"h - 132mm X 38mm
360 Degrees of Protection
Scratch Resistant Coating
UV400 Polycarbonate Lens
Lens Color: Yellow - Best for enhancing contrast and light in low light applications; not recommended for night driving or bright light environments.
Compliance: ANSI Z87.1-2010
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Guardian Pro Over-The-Glass Safety Glasses with Medium Yellow Anti-Fog LensMax RobinsonOctober 29, 2012The glasses do not fit as well as I expected. I am constantly pushing them up. I use them mostly outdoors and the yellow lens is not the best choice.