Before you buy these shoes, please try to measure your kid's foot length as below:
1) Usually,the size you need=insole length=foot length(heel to toe)+(0.5--1)cm
2) Please select the correct US# size according to your insole length
by the Size Chart as below
2) If your child's foot is fat and wide,please select a bigger size.
4) If you don't know how to select,let me know the foot length of the child.