Suomy Helmets - Size Chart
Sizing information is provided by the manufacturer and does not guarantee a perfect fit. Please use these charts as a general guide only.
To measure your correct helmet size, measure the circumference of the 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.
|
Helmet
Size
|
Inches
Around
|
cm
- centimeters
|
Hat
Size
|
|
-
|
20-1/4"
|
51
|
6-3/8
|
|
XS
|
20-1/2"
|
52
|
6-1/2
|
|
XS
|
20-7/8"
|
53
|
6-5/8
|
|
S
|
21-1/4"
|
54
|
6-3/4
|
|
S
|
21-5/8"
|
55
|
6-7/8
|
|
M
|
22"
|
56
|
7
|
|
M
|
22-1/2"
|
57
|
7-1/8
|
|
L
|
22-7/8"
|
58
|
7-1/4
|
|
L
|
23-1/4"
|
59
|
7-3/8
|
|
XL
|
23-5/8"
|
60
|
7-1/2
|
|
XL
|
24"
|
61
|
7-5/8
|
|
XXL
|
24-1/2"
|
62
|
7-3/4
|
|
XXL
|
24-7/8"
|
63
|
7-7/8
|
|
XXXL
|
25-1/4"
|
64
|
8
|
|
XXXL
|
25-5/8"
|
65
|
8-1/8
|
|
-
|
26"
|
66
|
8-1/4
|
NOTE: These sizing charts are provided by the manufacturer and/or distributor. We cannot guarantee their accuracy. Please use them for reference only. | 
