my son is 10 years old.. his leg is 20cm.. i ordered 2.5..very goodMy son, who is on the spectrum, loves these shoes. There’ll always his go to and because of all the colors in them they match almost everything!Great quality!!My son loves them, they are very comfortable.Thick material, fits true to size, will be getting my son another pairThe style was excellent. the comfort was good.My grandson loved themIdeal sneaker for my 8yr old granddaughter!!! I’m not sure who loved them more ..HER or Classmates?I love the shoes but the coloring needs to be better and this was for my daughter Christmas present.