| Size | Head Circumference Metric |
Head Circumference Inches |
|---|---|---|
| ADULT HELMETS | ||
| XS | 53-54cm | 20 7/8"- 21 1/4" |
| SM | 55-56cm | 21 5/8"- 22" |
| MD | 57-58cm | 22 3/8"- 22 3/4" |
| LG | 59-60cm | 23 1/4"- 23 5/8" |
| XL | 61-62cm | 24"- 24 3/8" |
| XXL | 63-64cm | 24 3/4"- 25 1/4" |
| ADULT HELMETS (DRIFTER ONLY) | ||
| XS | 52-53cm | 20 1/2"- 20 7/8" |
| SM | 54-55cm | 21 1/4"- 21 5/8" |
| MD | 56-57cm | 22" - 22 3/8" |
| LG | 58-59cm | 22 3/4" - 23 1/4" |
| XL | 60-61cm | 23 5/8" - 24" |
| XXL | 62-63cm | 24 3/8" - 24 3/4" |
| ADULT HELMETS (SHORTY ONLY) | ||
| XXS | 51-52cm | 20" - 20 1/2" |
| XS | 52-53cm | 20 1/2"- 20 7/8" |
| SM | 54-55cm | 21 1/4"- 21 5/8" |
| MD | 56-57cm | 22" - 22 3/8" |
| LG | 58-59cm | 22 3/4" - 23 1/4" |
| XL | 60-61cm | 23 5/8" - 24" |
| XXL | 62-63cm | 24 3/8" - 24 3/4" |
| YOUTH HELMETS (SC-X JR ONLY) | ||
| S/M | 49-50cm | 19 1/4" - 19 3/4" |
| M/L | 51-52cm | 20" - 20 1/2" |