Size Guide (Gradeschool Jordan)
| EU | US | UK | CM |
| 35.5 | 3.5Y | 3 | 22.5 |
| 36 | 4Y | 3.5 | 23 |
| 36.5 | 4.5Y | 4 | 23.5 |
| 37.5 | 5Y | 4.5 | 23.5 |
| 38 | 5.5Y | 5 | 24 |
| 38.5 | 6Y | 5.5 | 24 |
| 39 | 6.5Y | 6 | 24.5 |
| 40 | 7Y | 6.5 | 25 |
| EU | US | UK | CM |
| 35.5 | 3.5Y | 3 | 22.5 |
| 36 | 4Y | 3.5 | 23 |
| 36.5 | 4.5Y | 4 | 23.5 |
| 37.5 | 5Y | 4.5 | 23.5 |
| 38 | 5.5Y | 5 | 24 |
| 38.5 | 6Y | 5.5 | 24 |
| 39 | 6.5Y | 6 | 24.5 |
| 40 | 7Y | 6.5 | 25 |