| | | Size | Centimeter | Inches | Hat size | | XSm | 54-55 | 20 3/4 - 21 1/8 | 6 1/2 - 6 3/4 | | Sm | 56-57 | 21 5/8 - 22 | 6 7/8 - 7 | | Md | 58-59 | 22 3/8 - 22 7/8 | 7 1/8 - 7 1/4 | | Lg | 60-61 | 23 1/4 - 23 5/8 | 7 3/8 - 7 1/2 | | XL | 62-63 | 23 7/8 - 24 3/8 | 7 5/8 - 7 1/2 | | XXL | 64-65 | 24 3/4 - 25 1/8 | 7 7/8 - 8 |
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