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 18.5" - 20" 47 - 51
S 20 - 21.75 51-55
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