Product runs really big!
I bought these for my hubby and they were huge ... he wears a 9.5 - 10 usually and most of the time he gets a 10 but these were both wide and large so definitely order DOWN. He probably could have gotten a 9 in this flip. I can't really rate the comfort as we had to return them and the size 9 was not available.
I am very surprised that Crocs charges for returns, so I probably will not shop online with them again, but I like the products so I'll stick to the "brick