Outdoor Research Hat Size Chart
| S | M | L | XL | |
|---|---|---|---|---|
| US | 6 7/8 | 7 1/8 | 7 3/8 | 7 5/8 |
| Inches * | 21 5/8 | 22 1/2 | 23 1/4 | 24 |
| cm * | 55 | 57 | 59 | 61 |
Measure from center of forehead around fullest part of head.
Measure from center of forehead around fullest part of head. |
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Outdoor Research Hat Size Chart
Measure from center of forehead around fullest part of head. |