Size chart
ADULT HELMETS
Size Head Circumference (in) Head Circumference (cm)
S 21.3–22.0 54–56
M 22.1–22.8 56–58
L 22.9–23.6 58–60
XL 23.7–24.4 60–62
XXL 24.5–25.2 62–64
YOUTH & KIDS HELMETS
Size Head Circumference (in) Head Circumference (cm)
Toddler 18.5–19.7 47–50
Youth S 19.8–20.5 50–52
Youth M 20.6–21.3 52–54
Youth L 21.4–22.0 54–56
HOW TO MEASURE YOUR HEAD
Measurement Guide
Wrap a soft measuring tape around the widest part of your head: roughly 1 inch above your eyebrows and around the back of the skull.

Keep the tape level, not too tight. Use this number to match our size chart.
If your measurement falls between two sizes, select the larger size for comfort.

* Head circumference listed in inches (primary) and centimeters for reference.
* A properly fitted helmet should feel snug but not painful; no excessive side-to-side movement.
* Helmet internal padding thickness varies slightly between different models.
* Do not rely on hat size alone; always measure your head circumference.

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