I really wanted to like these, but they didn't work for my feet. I'm about a 10.5 US size foot, but my left is kind of 10.75 and my right is more 10.25. So I generally have to try on both 10s and 11s and cross my fingers. I bought these in 11 as a contender for a shoe to wear to a wedding, but they didn't fit well. My left was too small and the right was too big. I could have stuck in some heel grips or ball-of-foot pads, but I didn't have any at the time, and they weren't otherwise-awesome enough to keep.  There is a little bit of padding inside, but not nearly enough. They would need breaking-in time because they were stiff, too. There were, sadly, too many cons for me to keep them. Luckily, Amazon has a great return policy, so I don't feel bad about trying them.