If he claims the shoes are 100% authentic, even if his page says "no refunds if not 100% authentic" ebay and paypal will protect you if it is in fact a counterfit.
Fake. The fact that the seller is trying to hide the air bag makes it obvious. Anyways, you can still partially see the air bag; and its pillars, not needles.
For one, the carbon fiber is fake, the colors are WAAAAYYY off, and back pull tabs are all messed up.
That "custom" colorway is a very well known fake and will never come out in that color. He gave you fake a shoe.
Heres what its supposed to look like: