Please use this page to help you decide which helmet size is best for you. Most manufacturers use different sizing so its good to always double check your size when buying a new helmet. The best way to measure your head is by wrapping a measuring tape around your head just above the eyebrows and noting the size where the tape overlaps.
Hat Size
Circumference Inches
Circumference CM
CE Liner (Pro-Dry size mark)
Comp helmet size mark
6 3/8
20 1/8"
51 cm
YS
XS
6 1/2
20 1/2"
53 cm
YL
XS
6 7/8
21 5/8"
55 cm
S-M
S
7
22"
56 cm
S-M
M
7 1/8
22 3/8"
57 cm
M-L
M
7 1/4
22 3/4"
58 cm
M-L
L
7 3/8
23 1/8"
59 cm
M-L
L
7 1/2
23 1/2"
60 cm
L-XL
XL
7 5/8
23 7/8"
60.5 cm
L-XL
XL
7 3/4
24 1/4"
61.5 cm
L-XL
XL
SIZE
Men/Women
Boa Fit
XS
53 - 55cm
-
S
55 - 57cm
52 - 55cm
M
57 - 59cm
56 - 59cm
L
59 - 61cm
60 - 62cm
XL
61 - 63cm
63 - 64cm
XXL
63 - 65cm
-
SIZE
Circumference
XS-S
52 - 55.5cm
S-M
54 - 57cm
M-L
55.5 - 59cm
L-XL
57 - 60.5cm
XL-XXL
59 - 62cm
SIZE
Classic 2.0
S
52 - 54cm
M
55 - 57cm
L
58 - 61cm
SIZE
Legend
S
52 - 54cm
M
55 - 58cm
L
59 - 61cm
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