I've only had them for a few days but I'm very happy with their performance. The polarization seems less noticeable than the Oakley lenses they replaced, but if you tilt your head it's clear that they're polarized. I'm impressed with the optical quality - my old lenses were scratched. Unfortunately, the frame rattles a bit, which can be annoying when running or mountain biking. With one exception, I am very pleased with the performance and optical clarity of these lenses.
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