Fit: To find the right size for your child, choose the size according to your child's foot length and add some extra room (approx. 0.8 cm) for foot growth. If your child is between two sizes, we recommend choosing the larger size.
The insole measurements are as follows:
| EU Size | Foot length in cm |
| 18 | 11.0 – 11.8 |
| 19 | 11.8 – 12 |
| 20 | 12.0 – 12.5 |
| 21 | 12.6 – 13.1 |
| 22 | 13.2 – 13.7 |
| 23 | 13.8 – 14.3 |
| 24 | 14.4 – 14.9 |
| 25 | 15.0 – 15.5 |
| 26 | 15.6 – 16.1 |
| 27 | 16.2 – 16.8 |
| 28 | 16.9 – 17.4 |
| 29 | 17.5 – 18.0 |
| 30 | 18.1 – 18.7 |
| 31 | 18.8 – 19.3 |
| 32 | 19.4 – 20.0 |
| 33 | 20.1 – 20.7 |
