| US Size | EU Size |
| 5M | 35M |
| 5.5M | 35.5M |
| 6M | 36 |
| 6.5M | 36.5 |
| 7M | 37 |
| 7.5M | 37.5 |
| 8M | 38 |
| 8.5M | 38.5 |
| 9M | 39 |
| 9.5M | 39.5 |
| 10M | 40 |
| 10.5M | 40.5 |
| 11M | 41 |
| US Size | EU Size | Age | In |
| 4M | 3.4 | 3.4 | 3.4 |
| 4.5M | 34.5 | 3.4 | 3.4 |
| 5M | 35M | 3.4 | 3.4 |
| 5.5M | 35.5M | 3.4 | 3.4 |
| 6M | 36 | 3.4 | 3.4 |
| 6.5M | 36.5 | 36 | 3.4 |
| 7M | 37 | 36 | 3.4 |
| 7.5M | 37.5 | 36 | 3.4 |
| 8M | 38 | 36 | 3.4 |
| 8.5M | 38.5 | 36 | 3.4 |
| 9M | 39 | 36 | 3.4 |
| 9.5M | 39.5 | 36 | 3.4 |
| 10M | 40 | 36 | 3.4 |
| 10.5M | 40.5 | 36 | 3.4 |
| 11M | 41 | 36 | 3.4 |