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| HJC Helmet Size Conversion Chart |
|
Size
|
Centimeter
|
Hat Size
|
Inches
|
|
XXS
|
51 - 52
|
6 3/8 - 6 1/2
|
20 - 20 1/2
|
|
XS
|
53 - 54
|
6 5/8 - 6 3/4
|
20 7/8 - 21 1/4
|
|
S
|
55 - 56
|
6 7/8 - 7
|
21 5/8 - 22
|
|
M
|
57-58
|
7 1/8 - 7 1/4
|
22 1/2 - 22 7/8
|
|
L
|
59 - 60
|
7 3/8 - 7 1/2
|
23 1/4 - 23 5/8
|
|
XL
|
61 - 62
|
7 5/8 - 7 3/4
|
24 - 24 3/8
|
|
XXL
|
63 - 64
|
7 7/8 - 8
|
24 3/4 - 25 1/4
|
|
XXXL
|
65 - 66
|
8 1/8 - 8 1/4
|
25 5/8 - 26
|
|
Youth S
|
49 - 50
|
6 1/8 - 6 1/4
|
19 1/4 - 19 3/4
|
|
Youth M
|
51 - 52
|
6 3/8 - 6 1/2
|
20 - 20 1/2
|
|
Youth L
|
53 - 54
|
6 5/8 - 6 3/4
|
20 7/8 - 21 1/4
|
|
Youth S/M
|
49 - 50
|
6 1/8 - 6 1/4
|
19 1/4 - 19 3/4
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|
Youth L/XL
|
51-52
|
6 3/8 - 6 1/2
|
20 - 20 1/2
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To measure your correct helmet size, measure the circumference of your head, like a headband, one inch above the eyebrows, above the ears. Match inch measurement to chart. If between sizes, choose the next larger size. Helmet should fit snugly but not overly tight. |
| SHOEI Helmet Size Conversion Chart |
|
Size
|
Centimeter
|
Hat Size
|
Inches
|
|
XXS
|
51 - 52
|
6 3/8 - 6 1/2
|
20 - 20 1/2
|
|
XS
|
53 - 54
|
6 5/8 - 6 3/4
|
20 7/8 - 21 1/4
|
|
S
|
55 - 56
|
6 7/8 - 7
|
21 5/8 - 22
|
|
M
|
57-58
|
7 1/8 - 7 1/4
|
22 1/2 - 22 7/8
|
|
L
|
59 - 60
|
7 3/8 - 7 1/2
|
23 1/4 - 23 5/8
|
|
XL
|
61 - 62
|
7 5/8 - 7 3/4
|
24 - 24 3/8
|
|
XXL
|
63 - 64
|
7 7/8 - 8
|
24 3/4 - 25 1/4
|
|
XXXL
|
65 - 66
|
8 1/8 - 8 1/4
|
25 5/8 - 26
|
|
To measure your correct helmet size, measure the circumference of your head, like a headband, one inch above the eyebrows, above the ears. Match inch measurement to chart. If between sizes, choose the next larger size. Helmet should fit snugly but not overly tight. |
| SUOMY Helmet Size Conversion Chart |
|
Size
|
Centimeter
|
Hat Size
|
Inches
|
|
XS
|
53 - 54
|
6 5/8 - 6 3/4
|
20 7/8 - 21 1/4
|
|
S
|
55 - 56
|
6 7/8 - 7
|
21 5/8 - 22
|
|
M
|
57-58
|
7 1/8 - 7 1/4
|
22 1/2 - 22 7/8
|
|
L
|
59 - 60
|
7 3/8 - 7 1/2
|
23 1/4 - 23 5/8
|
|
XL
|
61 - 62
|
7 5/8 - 7 3/4
|
24 - 24 3/8
|
|
XXL
|
63 - 64
|
7 7/8 - 8
|
24 3/4 - 25 1/4
|
|
XXXL
|
65 - 66
|
8 1/8 - 8 1/4
|
25 5/8 - 26
|
|
To measure your correct helmet size, measure the circumference of your head, like a headband, one inch above the eyebrows, above the ears. Match inch measurement to chart. If between sizes, choose the next larger size. Helmet should fit snugly but not overly tight. |
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