Helmet Sizing Guide
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12017 HELMET SIZING GUIDE
STANDARD FIT HELMETS
ADULT 3-SIZE
UNIVERSAL FIT YOUTH SIZING
Helmet Size
Hat Size
Cir. (in)
Cir. (cm)
Model
Hat Size
Cir. (in)
Cir. (cm)
Small
6
— 7
20 — 22
51 — 56
Mio
<6 — 7
17
— 20
46 — 51
3/8
1/8
1/2
Medium
6
— 7
21
— 23
55 — 59
Shuffle Child
6
— 6
19
— 21
50 — 55
7/8
3/8
3/4
1/4
1/4
7/8
3/4
3/4
Large
7
— 7
23
— 24
59 — 63
Shuffle Youth
6
— 7
20
— 22
52 — 57
3/8
7/8
1/4
3/4
1/2
1/8
1/2
1/2
Flash
6
— 7
19
— 23
50 — 58
1/4
1/4
3/4
UNIVERSAL ADULT SIZING
Model
Hat Size
Cir. (in)
Cir. (cm)
SMALL FRY
Max
7 — 8
22 — 25
56 — 64
Helmet Size
Hat Size
Cir. (in)
Cir. (cm)
1/4
Align
6
— 7
21
— 24
54 — 62
Toddler
<6 — 6
17
— 20
44 — 52
3/4
3/4
1/4
1/2
1/2
1/2
1/2
Chamonix
6
— 7
21
— 24
54 — 62
Child
<6 — 6
18
— 21
47 — 55
3/4
3/4
1/4
1/2
7/8
1/2
3/4
Centro
6
— 7
21
— 24
54 — 62
3/4
3/4
1/4
1/2
Sierra
6
— 7
19
— 23
50 — 58
1/4
1/4
3/4
COVERT
Duet
6
— 7
19
— 23
50 — 58
1/4
1/4
3/4
Helmet Size
Hat Size
Cir. (in)
Cir. (cm)
X-Small
6 — 6
18
— 20
47 — 53
5/8
1/2
3/4
Small
6
— 7
20
— 22
52 — 56
AMBUSH COMP
1/2
1/2
Helmet Size
Hat Size
Cir. (in)
Cir. (cm)
Medium
7 — 7
22 — 23
56 — 60
1/2
1/2
Large
7
— 7
23
— 24
60 — 63
Small
6
— 7
20 — 22
51 — 56
1/2
7/8
1/2
3/4
3/8
Medium
6
— 7
21
— 23
54 — 58
3/4
1/4
1/4
Large
7
— 7
22
— 24
57 — 61
1/8
5/8
1/2
S-WORKS TT
XLarge
7
— 7
23
— 24
59 — 63
3/8
7/8
1/4
3/4
Helmet Size
Hat Size
Cir. (in)
Cir. (cm)
X-Small / Small
6
— 7
20 — 22
51 — 57
3/8
1/8
1/2
Medium / Large
6
— 7
21
— 23
54 — 60
ADULT MIPS 3-SIZE
3/4
1/2
1/4
1/2
Helmet Size
Hat Size
Cir. (in)
Cir. (cm)
Small
6
— 7
20 — 22
51 — 56
3/8
1/8
1/2
DISSIDENT / DISSIDENT COMP
Medium
6
— 7
21
— 23
54 — 59
3/4
1/2
1/4
1/2
Helmet Size
Hat Size
Cir. (in)
Cir. (cm)
Large
7
— 7
22
— 24
57 — 63
1/8
7/8
1/2
3/4
Small
6
— 6
21
— 21
54 — 55
3/4
7/8
1/4
3/4
Medium
7 — 7
22 — 22
56 — 57
1/8
1/2
UNIVERSAL MIPS ADULT SIZING
Large
7
— 7
22
— 23
58 — 59
1/4
3/8
5/8
1/4
XLarge
7
— 7
23
— 24
60 — 62
Model
Hat Size
Cir. (in)
Cir. (cm)
1/2
3/4
1/2
1/4
Chamonix
6
— 7
21
— 23
54 — 59
3/4
1/2
1/4
1/2
Duet
6
— 7
19
— 23
50 — 58
1/4
1/4
3/4
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