HJC Youth Helmet Size Chart S/M, L/XL

Helmet Size

Inches

Centimeters

Hat Size

Youth S/M

19 1/4" - 19 3/4"

49/50

6 1/8 - 6 1/4

Youth L/XL

20" - 20 1/2"

51/52

6 3/8 - 6 1/2