Jetblack Helmet Sizing Chart
| Model | XS | S | M | L | XL |
| Comp 2.0 | 53-54cm | 55-56cm | 57-58cm | 59-60cm | 60-61cm |
| Pro | 53-54cm | 55-56cm | 57-58cm | 59-60cm | 61-62cm |
| Model | XS | S | M | L | XL |
| Comp 2.0 | 53-54cm | 55-56cm | 57-58cm | 59-60cm | 60-61cm |
| Pro | 53-54cm | 55-56cm | 57-58cm | 59-60cm | 61-62cm |
