Description
Meets Anzi Z87.1 certification. The Oakley SI M Frame surpasses ANSI Z87.1 Industrial Standards for high-mass and high-velocity impact protection. Incorporating High Definition Optics (HDO) technology, lens geometry comes in five interchangeable lens shapes. 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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