And Before you buy shoes, please measure your children's foot length and check our size chart below. And then choose size by foot length or shoes inner length .   The size we listed means shoes inner length(insole length)!!!
 Insole Length=foot length+1.5cm(winter shoes)
Insole Length=foot length+1cm(Autumn Spring shoes)
Example: If your kids foot length is 15cm,then add 1.5cm,
you need choose the size which insole length is 16.5cmInsole Length=foot length+1.5cm(Autumn Spring shoes)

CN size 25(Inner foot length 16cm)=Fit foot length about 14.5  cm
CN size 26(Inner foot length 16.5cm)=Fit foot length about 15 cm
CN size 27(Inner foot length 17cm)=Fit foot length about 15.5 cm
CN size 28(Inner foot length 17.5cm)=Fit foot length about 16  cm
CN size 29(Inner foot length 18cm)=Fit foot length about 16.5 cm
CN size 30(Inner foot length 18.5cm)=Fit foot length about 17 cm
CN size 31(Inner foot length 19cm)=Fit foot length about 17.5 cm
CN size 32(Inner foot length 19.5cm)=Fit foot length about 18 cm
CN size 33(Inner foot length 20cm)=Fit foot length about 18.5 cm
CN size 34(Inner foot length 20.5cm)=Fit foot length about 19 cm
CN size 35(Inner foot length 21cm)=Fit foot length about  19.5 cm
CN size 36(Inner foot length 21.5cm)=Fit foot length about  20 cm
CN size 37(Inner foot length 22cm)=Fit foot length about  20.5  cm