Not standard size, please do not choose directly by size, the only way to allow your children to wear the right shoes is to measure the length of the child’s feet.
For comfortable shoes, the length of the insole needs to be about 1cm longer than the foot.
Select the corresponding shoe size based on the results obtained
The following figure is the method of measurement. The foot must be stepped on the ground, otherwise, the measurement result will be shorter than the actual one.

Foot Length + 1 cm = insole Length

Kids size

Shoe Size 24 — insole Length 14.5 cm, fit for foot Length 13.5 cm

Shoe Size 25 — insole Length 15.2 cm, fit for foot Length 14.2 cm

Shoe Size 26 — insole Length 15.8 cm, fit for foot Length 14.8 cm

Shoe Size 27 — insole Length 16.5 cm, fit for foot Length 15.5 cm

Shoe Size 28 — insole Length 17.1 cm, fit for foot Length 16.1 cm

Shoe Size 29 — insole Length 17.8 cm, fit for foot Length 16.8 cm

Notes:
1. Please measure your baby foot length by ruler first, then pick the correct size according to the above size chart by foot length. For example, if the baby foot length is 19.5 cm, you can pick US size 1. If baby feet are fat, you can pick one size larger than usual.
2. The size number marked in the shoe outsole is China size number, not European size.