Hat Measuring Chart
| 32 | 34 | 36 | 38 | 40 | 42 | 44 | 46 | 48 | 50 | 52 | 54 | |
| S | M | L | XXL | XXL | ||||||||
| US | 6 5/8 | 6 3/4 | 6 7/8 | 7 | 7 1/8 | 7 1/4 | 7 3/8 | 7 1/2 | 7 5/8 | 7 3/4 | 7 7/8 | 8 |
| UK | 6 1/2 | 6 5/8 | 6 3/4 | 6 7/8 | 7 | 7 1/8 | 7 1/4 | 7 3/4 | 7 1/2 | 7 5/8 | 7 3/4 | 7 7/8 |
| CM | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 |
| Inches | 20 3/4 | 21 1/4 | 21 5/8 | 22 | 22 1/2 | 22 3/4 | 23 1/4 | 23 5/8 | 24 | 24 1/2 | 24 3/4 | 25 1/4 |
