Helmets
Size Inches CM Hat Size
XXS 20 1/8 - 20 1/2 51 - 52 6 3/8 - 6 1/2
XS 20 7/8 - 21 1/4 53-54 6 5/8 - 6 3/4
S 21 5/8 - 22 55 - 56 6 7/8 - 7
M 22 1/2 - 22 7/8 57 - 58 7 1/8 - 7 1/4
L 23 1/4 - 23 5/8 59 - 60 7 3/8 - 7 1/2
XL 24 - 24 3/8 61 - 62 7 5/8 - 7 3/4
XXL 24 3/4 - 25 1/8 63 - 64 7 7/8 - 8
3XL 25 5/8 - 26 65 - 66 8 1/8 - 8 1/4
SIZING INFORMATION IS PROVIDED BY THE MANUFACTURER AND DOES NOT GUARANTEE A PERFECT FIT.
PLEASE USE THIS CHART AS A GUIDE ONLY.