Description
The Oakley SI M Frame? surpasses ANSI Z87.1 Industrial Standards for high-mass and high-velocity impact protection. All lenses are made of pure Plutonite?, a proprietary material that offers the highest level of optical clarity available in eyewear. You get razor-sharp clarity at all angles of view, which maximizes peripheral vision and protection against sun, wind and side impact.
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Cons: Only free if you are in the military. In the right conditions they will fog.
Recommendation: Great pair of glasses that are nearly indestructible. Recieved these for free and take them out every time I ride, and they have always worked wonders.