I was trying to fit a spoiled little 10 yr. old tourist kid that refused to even consider a boot that wasn't way oversized and cushy. Of course his mom wouldn't listen to me, and let him continue demanding larger and larger sizes from me. Still, when I put an already oversized boot on his foot, he again complained that it was still too tight. I ended up just giving up, putting it on my foot, buckling it up, and said "Huh, that's funny, because it fits me perfectly!!" I am a size 9.5 US mens.....