Helmet Size

Inches

Centimeters

Hat Size

Youth Small

19 1/4" - 19 3/4"

49/50

6 1/8 - 6 1/4

Youth Medium

20" - 20 1/2"

53/54

6 3/8 - 6 1/2

Youth Large

20 7/8" - 21 1/4"

53/54

6 5/8 - 6 3/4