Got my 420s today, and they look pretty good! For my next pair though, I'm definitely going a half size up to 11.5. The 11s are a little snug, but they should be workable with thinner socks. If you happen to be someone like me who is 11 in some shoes, 11.5 in others, lean towards 11.5. I would return them to get a new pair, but looks like they're already all out.