
The contrast and polarization of these lenses are excellent. I took them on a 20 mile MTB ride on open trails and these lenses didn't show the discoloration that some have reported. My only complaint is that they seem to fit the Flak 2.0 XL frames loosely. When wearing these lenses, I notice a noticeable "give" in the frame on the temple side of these lenses. They have no thickness compared to OEM lenses that fit snugly into the frame where there is no flexing or flexing. or width for this OEM tight fit. They look great and are optically crisp and clear. Worth the price. It's noticeable though (lack of the tight OEM Oakley feel), I'd probably use them for everyday rather than sport.

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