| INSOLE | AGE | EURO | UK | US | Outsole |
| 13.5 | 2-3 Years | 24 | 5.5 | 6.5 | 16 |
| 14.5 | 3-4 Years | 26 | 6.5 | 7.5 | 17 |
| 15.5 | 4-5 Years | 28 | 7.5 | 8.5 | 18 |
| 16.5 | 5-6 Years | 30 | 8.5 | 9.5 | 19 |
| 17.5 | 6-7 Years | 32 | 10 | 11 | 20 |
| 18.5 | 7-8 Years | 34 | 12 | 13 | 21 |
| 19.5 | 8-9 Years | 36 | 13 | 1 | 22 |
| 20.5 | 9-10 Years | 38 | 14.5 | 2.5 | 23 |