I was in pretty early, but was never able to add to cart, didn't get an OOS notification, but kept getting errors when adding to cart....I eventually gave up
I'll never understand why it takes snkrs so long to send an "sorry we're out of your size" message and then they're sold out, and you're never able to go back and select lets say a 1/2 size bigger or smaller....it doesn't make sense. Now I'm still waiting in the waiting room on FTL for what...