Use a soft tape
Use a flexible tailor’s tape. If unavailable, wrap a non-stretch string and measure it against a ruler.

FIND YOUR SIZE
A new helmet should feel evenly snug without sharp pressure points or independent movement.
Use a flexible tailor’s tape. If unavailable, wrap a non-stretch string and measure it against a ruler.
Start about 2.5 cm above the eyebrows, pass above the ears and around the widest part at the back of the head.
Measure twice. Wear the helmet for 10–15 minutes to check for sharp pressure or excessive movement.
| Size | S | M | L | XL | XXL |
|---|---|---|---|---|---|
| Reference circumference | 55 cm | 57 cm | 59 cm | 60 cm | 62 cm |
Reference values only. Check the final model-specific chart and test the fit before purchase.