As far as I can tell they are real. I didn't notice the box when I opened it and threw it away, but the SKU matches the model and is no longer made by Oakley. You can find the same glasses at Nordstroms, for example, but a little cheaper. I'm sure a department store the size of Nordstroms isn't going to sell fakes. Not all Oakleys are made in the USA anymore and this pair is not and will not be stamped "Made in the USA" but again this is not a determining factor in whether they are genuine as some models are made abroad will. With that being said I will be taking this pair to my local Oakley store near me to have it authenticated and let everyone know.
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