To 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.
18.5" - 20"
47 - 51
20 - 21.75
The Scamp™ is packed with amazing features, including some of the same elements found in Giro's best adult helmets, all in a smaller package designed to fit your child. The Roc Loc® Jr. fit system with pinch-guard buckle provides an easy way to fit your kid’s helmet quickly and securely. With a wide size range, your child can use this helmet as they grow from balance bikes to pedals.