Helmet Size | Hat Size | Inches | CM |
Youth SM | 5 5/8 – 5 3/4 | 17.7-18.1 | 45-46 |
Youth MD | 5 7/8 – 6 | 18.5-18.9 | 47-48 |
Youth LG | 6 1/8 – 6 1/4 | 19.3-19.7 | 49-50 |
Youth XL | 6 3/8 – 6 1/2 | 20-20.5 | 51-52 |
*Chart is estimated and provided by manufacturer.