Size Conversion Chart
| Size | cm | UK hat size | US hat size |
|---|---|---|---|
| S | 55 - 56 | 6 ¾ - 6 ⅞ | 6 ⅞ - 7 |
| M | 57 - 58 | 7 - 7 ⅛ | 7 ⅛ - 7 ¼ |
| L | 59 - 60 | 7 ¼ - 7 ⅜ | 7 ⅜ - 7 ½ |
| XL | 61 - 62 | 7 ½ - 7 ⅝ | 7 ⅝ - 7 ¾ |
| Size | cm | UK hat size | US hat size |
|---|---|---|---|
| S | 55 - 56 | 6 ¾ - 6 ⅞ | 6 ⅞ - 7 |
| M | 57 - 58 | 7 - 7 ⅛ | 7 ⅛ - 7 ¼ |
| L | 59 - 60 | 7 ¼ - 7 ⅜ | 7 ⅜ - 7 ½ |
| XL | 61 - 62 | 7 ½ - 7 ⅝ | 7 ⅝ - 7 ¾ |