| Size | UK | US | EU | Japan |
| XS | 6 - 8 | 4 | 34 | 7 |
| S | 8 -10 | 6 | 36 | 9 |
| M | 10 - 12 | 8 | 38 | 11 |
| L | 12 - 14 | 10 | 40 | 13 |
| XL | 14 - 16 | 12 | 42 | 15 |
| XXL | 16 - 28 | 14 | 44 | 17 |
| Size | UK | US | EU | Japan |
| XS | 6 - 8 | 4 | 34 | 7 |
| S | 8 -10 | 6 | 36 | 9 |
| M | 10 - 12 | 8 | 38 | 11 |
| L | 12 - 14 | 10 | 40 | 13 |
| XL | 14 - 16 | 12 | 42 | 15 |
| XXL | 16 - 28 | 14 | 44 | 17 |