| Size | Hat Size | CM | Inches |
|---|---|---|---|
| XS | 6 5/8 - 6 3/4 | 53-54 | 20 7/8 - 21 1/4 |
| S | 6 7/8 - 7 | 55-56 | 21 5/8 - 22 |
| M | 7 1/8 - 7 1/4 | 57-58 | 22 1/2 - 22 7/8 |
| L | 7 3/8 - 7 1/2 | 59-60 | 23 1/4 - 23 5/8 |
| XL | 7 5/8 - 7 3/4 | 61-62 | 24 - 24 3/8 |
| XXL | 7 7/8 - 8 | 63-64 | 24 3/4 - 25 1/8 |
| XXXL | 8 1/8 - 8 1/4 | 65-66 | 25 5/8 - 26 |
