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 feet grow very fast.

• US size 9=CN size 26(shoes inner length 16cm)
• US size 10=CN size 27(shoes inner length 17cm)
• US size 11=CN size 28(shoes inner length 17.5cm)
• US size 11.5=CN size 29(shoes inner length 18cm)
• US size 12.5=CN size 30(shoes inner length 19cm)
• US size 13.5=CN size 31(shoes inner length 19.5cm)
• US size 1=CN size 32(shoes inner length 20cm)
• US size 2=CN size 33(shoes inner length 21cm)
• US size 3=CN size 34(shoes inner length 21.5cm)
• US size 3.5=CN size 35(shoes inner length 22cm)
• US size 4=CN size 36(shoes inner length 23cm)
• US size 5=CN size 37(shoes inner length 23.5cm)