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As with all personal safety devices, helmet fit is vitally
important and can increase the risk of injury if not properly fit. Carefully
measure the head approximately one inch above the eyebrows across a point at
the back of the head that gives the largest measurement. Please remember:
Helmets will "break in" with use. It is important that the helmet fits as
tight as one can comfortably withstand to wear. |
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Adult Sizing Chart: Draft, Vapor, Charger, Champ, Cyclone, S/S,
Velocity, Nitro
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Impact Racing Size: |
Small |
Medium |
Large |
Extra Large |
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Hat Size Equivalent: |
6-7/8 to 7 |
7-1/8 to
7-1/4 |
7-3/8 to 7-1/2 |
7-5/8 to
7-3/4 |
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Inch Size Equivalent: |
21-5/8 to 22 |
22-1/2 to 22-3/4 |
23-1/4 to 23-5/8 |
24 to
24-1/2 |
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CM Size Equivalent: |
55 to 56 |
57 to 58 |
59 to 60 |
61 to 62 |
Youth Sizing Chart: Mini Vapor, Mini Champ, Lil' Champ
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Impact Racing Size: |
Small
Two Inserts |
Medium
One Insert |
Large
No Inserts |
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Hat Size Equivalent: |
6-1/8 to 6-1/4 |
6-3/8 to 6-1/2 |
6-5/8 to 6-3/4 |
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Inch Size Equivalent: |
19 to 19-1/4 |
19-1/2 to 20 |
20-1/2 to 21 |
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CM Size Equivalent: |
49 to 50 |
51 to 52 |
53 to 54 |
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Copyright ©
2010 Impact Racing Products, Inc. All rights reserved.
Impact Racing is a
Bill Simpson company that competes directly with and is not affiliated with
Simpson Performance Products.
