| Size | Head Circumference (cm) |
Lining Code |
|---|---|---|
| XS | 53 – 54 | I |
| S | 55 – 56 | II |
| M | 57 – 58 | III |
| L | 59 – 60 | III |
| XL | 61 – 62 | IV |
| XXL | 63 – 64 | V |
| XXXL | 65 – 66 | V |
How to Measure
Use a soft measuring tape around the widest part of your head, approximately 1 inch above your eyebrows and around the largest portion of the back of your head. Compare your measurement to the chart above as a starting point for selecting your helmet size.
Use a soft measuring tape around the widest part of your head, approximately 1 inch above your eyebrows and around the largest portion of the back of your head. Compare your measurement to the chart above as a starting point for selecting your helmet size.
Important Fit Note
Head circumference is only a starting point when determining helmet size. The best possible fit should be determined by actual test fitting. Changes to Arai interior fit packages can also affect the standard pad thickness supplied with the helmet.
Head circumference is only a starting point when determining helmet size. The best possible fit should be determined by actual test fitting. Changes to Arai interior fit packages can also affect the standard pad thickness supplied with the helmet.
VX-PRO4 Cheek Pad Thickness
| Size | Thicker (mm) |
Standard (mm) |
Thinner (mm) |
|---|---|---|---|
| XS | 30 | 25 | 20 |
| S | 30 | 25 | 20 |
| M | 35 | 30 | 25 |
| L | 30 | 25 | 20 |
| XL | 30 | 25 | 20 |
| XXL | 30 | 25 | 20 |
| XXXL | — | — | — |
Helmet Shape
VX-PRO4: Intermediate Oval
VX-PRO4: Intermediate Oval