1. Becasue of same age kids height is different,pls choose size accodring to height.Suggest height is only for reference.
2. Plaese compare with the size chart, “optation size” is only reference age,tag size is China size(cm).
3. If you have confusion, please feel free to contact us.
4. Pls allow tolerance at 1-2 cm, 1 inch = 2.54 cm , 1 cm = 0.39 inch .