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Giro Helmet Size Guide
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SIZE (CM)
|
SIZE (IN)
|
|
|
XS
|
47 - 51
|
18.5 - 20
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|
S
|
51 - 55
|
20 - 21.75
|
|
M
|
55 - 59
|
21.75 - 23.25
|
|
L
|
59 - 63
|
23.25 - 24.75
|
|
XL
|
61 - 65
|
24 - 25.55
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*The Large Quarter Bike Helmet is the following dimensions: Large: 23.25" - 24.25" / 59 - 61.5 cm
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SIZE (CM)
|
SIZE (IN)
|
|
|
CHILD
|
50 - 55
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19.75 - 21.75
|
|
YOUTH
|
50 - 57
|
19.75 - 22.5
|
|
ADULT
|
54 - 61
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21.25 - 24
|
|
WOMEN
|
50 - 57
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19.75 - 22.5
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|
XL
|
58 - 65
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22.75 - 25.5
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Click here for all size guides.