MK8 / MK8 X
| Size | Circumference (cm) | Padding (mm) |
| XS | 55 | 14 |
| 56 | 9 | |
| S | 57 | 9 |
| M | 58 | 4 |
| L | 59 | 14 |
| 60 | 9 | |
| XL | 61 | 4 |
Predator Helmet
| Size | Circumerefence (cm) |
| S-M | 54 - 58 |
| L-XL | 58 - 60 |
Crown Helmet
| Size | Circumerefence (cm) |
| S | 56 - 58 |
| L | 58 - 60 |
Shiznit Helmet
| Size | Circumerefence (cm) |
| S-M | 53 - 56 |
| L-XL | 57 - 60 |
