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 !