If your child is a fearless speed machine on two wheels, then you might want to upgrade their protective gear. The Zoka Youth, by Kali Protectives is a lightweight full face helmet designed to keep your child safe and show them that wearing a helmet is both comfortable and stylish.
A flexible measuring tape, string, phone charger or something similar will work great (and a ruler to measure the length of string).
Wrap the measuring tape around your child's head just above their eyebrows and 1.5 cm above their ears. Mark the location of overlap to find the measurement.
Refer to the sizing below to find the correct size. If between sizes, size down.