Troy Lee Designs Mountain Bike Helmet Size Chart

Sizing recommendations for Troy Lee Designs mountain biking helmets.
Size Chart
Youth | XS/SM | MD/LG | LG/XL | |
---|---|---|---|---|
Hat Size | 6 - 6 5/8 | 6 5/8 - 7 | 7 1/8 - 7 3/8 | 7 1/2 - 7 7/8 |
Centimeters | 48 - 53 | 53 - 56 | 57 - 59 | 60 - 63 |
Inches | 19 - 20 7/8 | 20 7/8 - 22 | 22 3/8 - 23 1/4 | 23 5/8 - 24 3/4 |
How to Measure
Measure with a fabric tape measure around the circumference of your head holding the tape just above your eyebrows and ears. If you don't have a fabric measuring tape use a string and then measure the string.