Giro Size Chart

Sizing Guide for Giro Helmets

How to Measure for Size

giro helmet size measurementTo determine the correct helmet size, wrap a measuring tape around the head, keeping the tape just above the ears and lever front to back.  Once you've determined the measurement, you can use the size chart below as a guide.

If you have questions about the fit of a helmet, contact us.

Size IN CM
XS 17.75 - 19.25 45 - 49
S 19.75 - 20.75 49 - 53