The Kids’ size is different with different designs, there is no standard size , please measure the foot length and choose the correct size.
Suggest you order 1cm~1.5cm longer than your kids’ foot length, For Example, foot length is 16cm, you can choose 16+1cm=17cm=size
US size 9 = Size 15 = Insole Length 15.5 cm , fit for foot length 14.5 cm
US size 9.5 = Size 16 = Insole Length 16.5 cm , fit for foot length 15.5 cm
US size 10 = Size 17 = Insole Length 17 cm , fit for foot length 16cm
US size 11 = Size 18 = Insole Length 17.5 cm , fit for foot length 16.5 cm
US size 11.5 = Size 19 = Insole Length 18 cm , fit for foot length 17 cm
US size 12 = Size 20 = Insole Length 18.5 cm , fit for foot length 17.5 cm
US size 13 = Size 21 = Insole Length 19 cm , fit for foot length 18 cm
US size 1 = Size 22 = Insole Length 19.5cm , fit for foot length 18.5 cm
US size 2 = Size 23 = Insole Length 20 cm , fit for foot length 19cm
US size 3 = Size 24 = Insole Length 20.5cm , fit for foot length 19.5 cm
US size 3.5 = Size 25 = Insole Length 21 cm , fit for foot length 20 cm
US size 4= Size 26 = Insole Length 21.5 cm , fit for foot length 20.5 cm
