Adult Helmets
Size Inches CM Hat Size
XXS 20 ½ - 20 7/8 52 6 ½
XS 20 7/8 - 21 ¼ 53 - 54 6 5/8 - 6 ¾
S 21 ¼ - 22 ¼ 54 - 55 6 ¾ - 7
M 22 ¼ - 23 56 - 58 7 - 7 ¼
L 23 - 23 7/8 58 - 60 7 ¼ - 7 ½
XL 23 7/8 - 24 ½ 60 - 62 7 ½ - 7 ¾
XXL 24 ½ - 25 ½ 62 - 64 7 ¾ - 8
XXXL 25 ¾ - 26 1/8 65 - 66 8 1/8 - 8 ¼
Youth Helmets
Size Inches CM Hat Size
Youth S 19 1/4 - 19 3/4 49 - 50 6 1/8 - 6 1/4
Youth M 20 - 20 1/2 51 - 52 6 3/8 - 6 1/2
Youth L 20 7/8 - 21 1/4 53 - 54 6 5/8 - 6 3/4
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
SIZING INFORMATION IS PROVIDED BY THE MANUFACTURER AND DOES NOT GUARANTEE A PERFECT FIT.
PLEASE USE THIS CHART AS A GUIDE ONLY.