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Fly Racing |
Helmet Size Chart |
| Adult Helmets | |||
| Size | Hat Size | Inches | |
| XS | 6 5/8 - 6 3/4 | 20 7/8 - 21 1/4 | |
| S | 6 7/8 - 7 | 21 5/8 - 22 | |
| M | 7 1/8 - 7 1/4 | 22 3/8 - 22 3/4 | |
| L | 7 3/8 - 7 1/2 | 23 1/8 - 23 1/2 | |
| XL | 7 5/8 - 7 3/4 | 24 - 24 3/8 | |
| XXL | 7 5/8 - 7 3/4 | 25 1/8 - 25 1/2 | |
| Youth Helmets | |||
| Size | Inches | ||
| Youth S | Under 20 1/2 | ||
| Youth M | 20 1/2 | ||
| Youth L | 20 7/8 | ||