I have seen some discussion on here about if these are authentic Persol's or not, and it almost made me not buy these. These are in fact 100% authentic. These are the 3rd pair of Persol's I have purchased (what can I say, I like them). These are of the same build quality, came in the exact same packaging, including all the contents. Not sure why this is even in question, but hopefully anyone seeing this who was on the fence like I was, will find this useful.

As far as everything else to consider...if you've bought a pair of Persol's before, you know what to expect. Perfect in every regard.