Thor Motocross Youth Helmets Size Chart

Youth Quadrant Splatter Helmet
Helmets
Size Age Hat Size Inches
Small 5 - 6 6 1/8 - 6 1/4 20 5/8"
Medium 6 - 8 6 3/8 - 6 1/2 21 1/8"
Large 8 - 10 6 5/8 - 6 3/4 21 1/4"
X-Large 10 - 12 6 7/8 - 7 21 5/8"

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