Bought the 5-8Y for my 7 year old daughter who is just starting to carry toddler 12 and they fit great. I think she could wear them for two years. They are bigger at the foot than I expected but it will be fine for winter. Although they have not been worn yet they appear to be of good quality and the unicorn pattern is adorable. Unless they turn out to be poor quality I will have no problem buying them again.