| Size | UK | USA | Europe |
|
XXS |
4-6 (also fits approx age 8-10 years) | 1-2 | 32-34 |
| XS | 6-8 (also fits approx age 11-12 years) | 2-4 | 34-36 |
| S | 8-10 | 4-6 | 36-38 |
| M | 10-12 | 6-8 | 38-40 |
| L | 12-14 | 8-10 | 40-42 |
| XL | 14-16 | 10-12 | 42-44 |
| XXL | 16-18 | 12-14 | 44-46 |
| Size | UK | USA | Europe |
|
XXS |
4-6 (also fits approx age 8-10 years) | 1-2 | 32-34 |
| XS | 6-8 (also fits approx age 11-12 years) | 2-4 | 34-36 |
| S | 8-10 | 4-6 | 36-38 |
| M | 10-12 | 6-8 | 38-40 |
| L | 12-14 | 8-10 | 40-42 |
| XL | 14-16 | 10-12 | 42-44 |
| XXL | 16-18 | 12-14 | 44-46 |