| Mondo (cm) | US | Europe | UK |
| 15 | 8 (Kids') | 25 | 7 |
| 15.5 | 9 (Kids') | 25 | 7 |
| 16 | 9 (Kids') | 26 | 8 |
| 16.5 | 10 (Kids') | 26 | 8 |
| 17 | 10 (Kids') | 27 | 9 |
| 17.5 | 11 (Kids') | 28 | 10 |
| 18.5 | 12 (Kids') | 29 | 11 |
| 19.5 | 13 (Kids') | 30.5 | 12 |
| 20 | 1 | 31 | 13 |
| 20.5 | 2 | 32 | 13.5 |
| 21 | 3 | 33 | 1 |
| 21.5 | 3.5 | 34 | 2 |
| 22 | 4 | 35 | 3 |
| 22.5 | 4.5 | 36 | 3.5 |
| 23 | 5 | 36.5 | 4 |
| 23.5 | 5.5 | 37 | 4.5 |
| 24 | 6 | 38 | 5 |
| 24.5 | 6.5 | 38.5 | 5.5 |
| 25 | 7 | 39 | 6 |
| 25.5 | 7.5 | 40 | 6.5 |
| 26 | 8 | 40.5 | 7 |