These are super cute and go with a lot of my sons outfits so kudos on that. They seem to fit perfect with slight room to grow-however, if he wears them for a whole day/long period of time (ex.: amusement park), I noticed the right sandal was digging into his heel... To me it looks like it hurts! He doesn't seem to mind, though! No complaints. So, I figure so long as he alternates other shoes and/or doesn't wear them all day, he's good to go and it was $ well spent!