Sizing Chart
| Helmet Size | Hat Size | Circumference (in.) | Circumference (cm.) |
| Small | 6 5/8 - 7 1/8 | 21" - 22.5" | 53.5 - 56.5 |
| Medium | 7 - 7 1/2 | 22" - 23.5" | 56 - 59.5 |
| Large | 7 1/2 - 8 | 23" - 25.5" | 59.5 - 64 |
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| Helmet Size | Hat Size | Circumference (in.) | Circumference (cm.) |
| Small | 6 5/8 - 7 1/8 | 21" - 22.5" | 53.5 - 56.5 |
| Medium | 7 - 7 1/2 | 22" - 23.5" | 56 - 59.5 |
| Large | 7 1/2 - 8 | 23" - 25.5" | 59.5 - 64 |