Fox Racing Helmet Size Chart

Fox Racing Youth V1 Costa Helmet
Adult Helmets
Size Head Size
X-Small 20 1/2" - 21 1/8"
Small 21 1/4" - 22 1/8"
Medium 22 3/8" - 23 1/8"
Large 23 1/4" - 23 3/4"
X-Large 23 7/8" - 24 3/4"
2X-Large 24 7/8" - 25 3/4"
Fox Racing Youth V1 Radeon Helmet
Youth Helmets
Size Head Size
Youth Small 18 3/4" - 19 5/8"
Youth Medium 19 1/4" - 20"
Youth Large 20 1/8" - 21"

Head Size: With tape level, measure the widest point of your head, approximately 1 inch above your eyebrows.

Sizing information is provided by the manufacturer and does not guarantee a perfect fit. Please use this chart as a guide only.