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The Bargain Basement & Rentals are closed today, 4/7/2023, at our Grand Ave location in Portland, OR.

Giro Snow Helmet Size Chart

To determine the correct helmet size, wrap a measuring tape around the head, keeping the tape just above the ears and level front to back. Once you've determined the measurement, you can use the chart here as a guide; however Giro recommends that you try helmets on prior to purchase to ensure the best fit and comfort.

Adult

 Size S M L XL
Inches  20.5" - 21.75" 21.75" - 23"  23" - 24.25"  24.5" - 25.5" 
Centimeters  52 - 55.5 55.5 - 59   59 - 62.5 62.5 - 65 

 


 

Youth

Size  XS XS/S S M M/L
Inches  19.25" - 20.5" 19.25" - 20.5" 20.5" - 21.75"  21.75" - 23"  20.5" - 21 7/8"
Centimeters  48.5 - 52 49 - 52  52 - 55.5 55.5 - 59  50 - 52.5