| Age | Infant | Infant | Infant | Infant | Kids' | Kids' | Kids' | Kids' | Kids' | Kids' | Youth | Youth | Youth | Youth | Youth | Youth |
| Size (US) | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 1 | 2 | 3 | 4 | 5 | 6 |
| EU | 21 | 22 | 23 | 24 | 25 | 26 | 28 | 29 | 30 | 31 | 33 | 34 | 35 | 37 | 38 | 39 |
| UK | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 1 | 2 | 3 | 4 | 5 |
| CM | 11.5 | 12.5 | 13.5 | 14.5 | 15 | 16 | 17 | 18 | 18.5 | 19.5 | 20 | 21 | 22 | 22.5 | 23.5 | 24.5 |