I wear a size 13 US. These are marked 13 US. They are more like a 12 1/2. They're a little narrow as well. I took the laces out and have been wearing them at work under my desk to break them in. So far, after 1 week, they only broke in a little. I'm going to hold onto them because I have put some weight on over the last couple yrs. If I loose weight, maybe they'll fit a little better.<br />I measured the sole from heal to toe and it's exactly 13 inches but the actual toe of the shoe itself (where your feet are) is a little under 13 inches. So, my toes are wedged right up to the front and my heal is pressed against the back of the shoe. I checked all my other shoes and the sole is a little over 13 and the shoe area that holds your foot is right at 13. So it shows these ARE a little shorter than all my other size 13's. But..I'll give them a try. Lets see if they loosen up.<br />Update: Although they never really loosened up except when I used a shoe stretcher and a ton of leather softener, they are a very solid shoe and I've gotten some compliments on them. They just run about a 1/2 size small.