These are fakes. It's close, but for those who wear Oakleys for a long time, it's fair to say that these are good fakes. I posted pictures but you can tell by three main features. Weight (too heavy for the real item), lens lettering is slightly crooked and the letter P for polarization differs from the font of the real item), the lettering on the inside of the temple (W is off). Good. that they are fake if they cost $20 and not at that price. It also came in a crappy box - another free giveaway.
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