| INSOLE | AGE | EURO | UK | US | Outsole |
| 13.5 | 3 Years | 23 | 5.5 | 6.5 | 16 |
| 14 | 3-3.5 Years | 24 | 6.5 | 7.5 | 16.5 |
| 15 | 4 Years | 25 | 7.5 | 8.5 | 17.5 |
| 16 | 5 Years | 26 | 8.5 | 9.5 | 18.5 |
| 17 | 5.5-6 Years | 27 | 9.5 | 10.5 | 19.5 |
| 18 | 6.5-7 Years | 29 | 11.5 | 12.5 | 20.5 |
| 19 | 7-7.5 Years | 30 | 12 | 13 | 21.5 |
| 19.5 | 7.5-8 Years | 30 | 12 | 13 | 22 |