Youth Sizing:
S - 19.2 / 19.7 inches
M - 20.1 / 20.5 inches
L - 20.9 / 21.2 inches
XL - 21.6 / 22 inches
*To ensure proper sizing, please measure the head with a cloth tape measure. Wrap tape measure around your head one inch or 25mm or 2.5cm above your eyebrows. You can also you a piece of string and measure using a ruler!
*These helmets are DOT approved!