
In sizes 18-22, I recommend a growth allowance of 0.8-1 cm
In sizes 23-30, I recommend a growth allowance of 0.8-1.2 cm
Here you can see the inside measurements of the shoe:
| Size | Length cm | Width cm |
| 20 | 13.0 | 6.1 |
| 21 | 13.5 | 6.3 |
| 22 | 14.3 | 6.5 |
| 23 | 15.0 | 6.7 |
| 24 | 15.5 | 6.9 |
| 25 | 16.2 | 7.1 |
| 26 | 16.7 | 7.3 |
| 27 | 17.5 | 7.5 |
| 28 | 18.6 | 7.6 |
| 29 | 19.2 | 7.8 |
| 30 | 20.0 | 8.1 |

