Kid's Spike Green
| US Shoe Size | UK Shoe Size | EU Shoe Size | Best Fit |
| 1 | 13.5 | 32.5 | J1 |
| 1.5 | 1 | 33 | J2 |
| 2 | 1.5 | 33.5 | J2 |
| 2.5 | 2 | 34.5 | J3 |
| 3 | 2.5 | 35 | J3 |
| 3.5 | 3 | 35.5 | J4 |
| 4 | 3.5 | 36 | J4 |
| US Shoe Size | UK Shoe Size | EU Shoe Size | Best Fit |
| 1 | 13.5 | 32.5 | J1 |
| 1.5 | 1 | 33 | J2 |
| 2 | 1.5 | 33.5 | J2 |
| 2.5 | 2 | 34.5 | J3 |
| 3 | 2.5 | 35 | J3 |
| 3.5 | 3 | 35.5 | J4 |
| 4 | 3.5 | 36 | J4 |