Sizing Guide
Find the right fit before you ride.
How to Measure
Use a soft measuring tape and wrap it around the widest part of your head, just above your eyebrows and ears. Keep the tape level and snug, but not tight.
Helmet Size Chart
Principal helmet sizing
| Helmet Size | CM | Head Circumference (IN) | Hat Size |
|---|---|---|---|
| S | 55–56 | 21 1/2 – 22 1/16 | 6 7/8 – 7 |
| M | 57–58 | 22 7/16 – 22 13/16 | 7 1/8 – 7 1/4 |
| L | 59–60 | 23 1/4 – 23 5/8 | 7 3/8 – 7 1/2 |
| XL | 61–62 | 24 – 24 7/16 | 7 5/8 – 7 3/4 |
| XXL | 63–64 | 24 13/16 – 25 3/16 | 7 7/8 – 8 |
| XXXL | 65–66 | 25 9/16 – 26 | 8 1/8 – 8 1/4 |
S
- CM
- 55–56
- IN
- 21 1/2 – 22 1/16
- Hat
- 6 7/8 – 7
M
- CM
- 57–58
- IN
- 22 7/16 – 22 13/16
- Hat
- 7 1/8 – 7 1/4
L
- CM
- 59–60
- IN
- 23 1/4 – 23 5/8
- Hat
- 7 3/8 – 7 1/2
XL
- CM
- 61–62
- IN
- 24 – 24 7/16
- Hat
- 7 5/8 – 7 3/4
XXL
- CM
- 63–64
- IN
- 24 13/16 – 25 3/16
- Hat
- 7 7/8 – 8
XXXL
- CM
- 65–66
- IN
- 25 9/16 – 26
- Hat
- 8 1/8 – 8 1/4
XXXL is currently available on select V80 helmets only.