size guide
| HEADSIZE | CENTIMETER | INCHES | NUMERIC SIZE (INT.) |
| XS & YOUTH | 55 | 21 5/8 | 6 7/8 |
| OS - ONE SIZE | 56 - 61 | 22 - 23 7/8 | 7 - 7 5/8 |
| S / M | 57 | 22 3/8 | 7 1/8 |
| L / XL | 59 | 23 1/8 | 7 3/8 |
| HEADSIZE | CENTIMETER | INCHES | NUMERIC SIZE (INT.) |
| XS & YOUTH | 55 | 21 5/8 | 6 7/8 |
| OS - ONE SIZE | 56 - 61 | 22 - 23 7/8 | 7 - 7 5/8 |
| S / M | 57 | 22 3/8 | 7 1/8 |
| L / XL | 59 | 23 1/8 | 7 3/8 |