Everything I read while researching tap shoes for my son indicated sizing is off by about two sizes on these shoes. So my son, for whom I bought size 11 tennis shoes for school, and who measured right on the 11.5 line according to Amazon's chart, well I figured that meant I would buy him a size 12 street shoe right now, so I went 2 full sizes up from that and ordered a size 1. Whoops. At least a full size too big. Now, if they'd fit, we would gladly have kept them, because the quality and softness was fine. But alas, I must return them.