Helmet Size | Hat Size | Inches | CM |
Youth SM | 6 | 18-19 | 46-48 |
Youth MD | 6 1/8 – 6 1/4 | 19-19.75 | 48-50 |
Youth LG | 6 3/8 – 6 1/2 | 19.75-20.5 | 50-52 |
ADULT XS | 6 5/8 – 6 3/4 | 20.8-21.25 | 53-54 |
Adult SM | 6 7/8 – 7 | 21-22 | 55-56 |
Adult MD | 7 1/8 – 7 1/4 | 22-23 | 56-58 |
Adult LG | 7 3/8 – 7 1/2 | 23-23.75 | 58-60 |
Adult XL | 7 5/8 – 7 3/4 | 23.75-24.5 | 60-62 |
Adult XXL | 7 7/8 – 8 | 24.5-25.5 | 62-64 |
*Chart is estimated and provided by manufacturer.