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| Size | Adult Head (in) |
|---|---|
| XS | 20 3/8" - 21 1/8" |
| SM | 21 1/4" - 22" |
| MD | 22 1/8" - 22 7/8" |
| LG | 23" - 23 3/4" |
| XL | 23 7/8" - 24 5/8" |
| 2XL | 24 3/4" - 25 3/8" |
Answer Adult Helmet Sizing Chart
Adult Helmets (measure around the head just above the ears and accross the forehead)