1. Pls: measure your kid's foot length as below. IF her/his foot length is 15cm, you can add 1cm. That's to say,
choose insole length 16cm.
2. With regard to size, measure kids foot length cm or inch +1 cm or 0.03937 inch, select the corresponding
US size, Thanks !
3. If you have any other demands, please leave us a message, we will try our best to serve you !
4. If you have any questions or don't like product, please contact us, Thanks !