I can't speak to the online stock, but they ran out of middle sizes in store very quickly. And it was a small line.
Lucas (from Kith) said it was more limited than a lot of their previous collabs. Primos were selling faster than Yvans in store, Primos won no contest in person on materials. It was all whether you liked what he did to the toebox or not. Most didn't, my wife thinks they look like bowling shoes (and she didn't even see everyone saying that all over IG).
Def one of those kicks that a few people will consider a classic, and everyone else will consider trash. I'm one of the former.