Hat Sizing Chart
| Standard Metric | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| US Hat Size | 6 ⅝ | 6 | 6 ⅞ | 7 | 7 ⅛ | 7 ¼ | 7 ⅜ | 7 ½ | 7 ⅝ | 7 ¾ | 7 ⅞ | 8 | 8 ⅛ |
| UK Hat Size | 6 ½ | 6 ⅝ | 6 ¾ | 6 ⅞ | 7 | 7 ⅛ | 7 ¼ | 7 ⅜ | 7 ½ | 7 ⅝ | 7 ¾ | 7 ⅞ | 8 |
| Inches | 20 ⅞ | 21 ¼ | 21 ⅝ | 22 | 22 ½ | 22 ⅞ | 23 ¼ | 23 ⅝ | 24 | 24 ½ | 24 ⅛ | 24 ¼ | 25 ⅝ |
| Men's hat | SMALL | Medium | Large | X-Large | XX-Large | ||||||||
| Women's hat | SMALL | Medium | Large | ||||||||||
| Unisex | S/M | M/L | |||||||||||