| РАЗМЕР ШЛЕМА | ДЮЙМЫ | САНТИМЕТРЫ | РАЗМЕР ШАПКИ |
| Youth S/M | 19 3/4"
20 1/8" |
50 - 52 | 6 1/4 - 6 1/2 |
| Youth L/XL | 21 1/4" | 53 - 54 | 6 5/8 - 6 3/4 |
| XX-Small | 21 1/8" | 51 - 52 | 6 3/4 - 6 1/2 |
| X-Small | 21 1/4" | 53 - 54 | 6 5/8 - 6 3/4 |
| Small | 21 5/8" | 55 - 56 | 6 7/8 - 7 |
| Medium | 22 3/8" | 57 - 58 | 7 1/8 - 7 1/4 |
| Large | 23 1/8" | 59 - 60 | 7 3/8 - 7 1/2 |
| X-Large | 23 1/2" | 61 - 62 | 7 5/8 - 7 3/4 |
| XX-Large | 24 1/4" | 63 - 64 | 7 7/8 - 8 |
| XXX-Large | 24 5/8" | 65 - 66 | 8 3/8 - 8 1/2 |