| | Standard Sizing (CM) | Adjustable Sizing (CM) |
| JR S | | 51 - 55 |
| JR M | | 55 - 58 |
| XXS | 53-54 | |
| XS | 54-55 | |
| S | 55-56 | 53-56 |
| M | 57-58 | 56-59 |
| L | 58-59 | 59-62 |
| XL | 60-61 | |
| XXL | 61-62 | |
Helmet sizing is determined by the distance around your head in centimeters. Measure the circumference of your head just above your eyebrows to determine your correct helmet size.