Please notice that the size above is inner length. And there maybe 0-1cm
error due to the measure by hand.
The size you need=length of your child's feet+1~2cm
Please choose the bigger size for the children’s feet grow very fast.

US size 9.5=CN size 26(shoes inner length 16.7cm)

US size 10.5=CN size 27(shoes inner length 17.3cm)

US size 11=CN size 28(shoes inner length 17.9cm)

US size 11.5=CN size 29(shoes inner length 18.6cm)

US size 12.5=CN size 30(shoes inner length 19.3cm)

US size 13.5=CN size 31(shoes inner length 20cm)

US size 1=CN size 32(shoes inner length 20.7cm)

US size 2=CN size 33(shoes inner length 21.3cm)

US size 3=CN size 34(shoes inner length 22cm)

US size 3.5=CN size 35(shoes inner length 22.7cm)

US size 4=CN size 36(shoes inner length 23.3cm)

US size 5=CN size 37(shoes inner length 24cm)

US size 6=CN size 38(shoes inner length 24.7cm)