| Junior Size | J1 | J1.5 | J2 | J2.5 | J3 | J3.5 | J4 | J4.5 | J5 | J5.5 | J6 |
| Europe | 32 | 32.5 | 33 | 33.5 | 34 | 34.5 | 35 | 35.5 | 36 | 36.5 | 37 |
| UK | 13 | 13.5 | 1 | 1.5 | 2 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 |
| Length | 7.9" | 8" | 8.2" | 8.5" | 8.6" | 8.9" | 9" | 9.2" | 9.3" | 9.5" | 9.6" |
| Approximate Age | 6.5 | 6.5 | 7 | 7 | 7.5 | 7.5 | 8 | 8 | 9-10 | 9-10 | 10-11 |
**J: Junior or Big Kid sizing