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Size chart

 

Select from the Left Panel Adult or Youth Helmets

 

A great deal of effort has been put into making GMAX Helmets-The Better Fitting North American helmet. We ask that you use the following information to help choose the proper
size helmet.

In order for a helmet to protect properly and be the most comfortable, it must be sized to your head correctly. To find the correct size helmet for a person's head:

1. Measure the head circumferance one-inch above the eyebrows and ears.

2. Using the circumferance measured, use the chart below to find the approximate size.

3. Have the person try the helmet to see if it feels snug equally around the head. The helmet should not feel too tight or too loose at any point around the head. Please remember
that all head shapes vary slightly and that this sizing chart is to be used as a starting guide,
not an exact guide, to begin fitment of a helmet.


 
 
 CIRCUMFERENCE
(Metric/Inches)
HELMET
LETTER SIZE
SIZE
50 cm 19 11/16" Youth S/M 6-1/4"
51 cm 20 1/16" Youth S/M 6-3/8"
52 cm 20 7/16" Youth L/XL 6-1/2"
53 cm 20 7/8" Youth L/XL 6-5/8"
54 cm 21 1/4" XS 6-3/4"
55 cm 21 5/8" XS 6-7/8"
56 cm 22" S 7"
57 cm 22 7/16" S 7-1/8"
58 cm 22 13/16" M 7-1/4"
59 cm 23 1/4" M 7-3/8"
60 cm 23-5/8" L 7-1/2"
61 cm 24" L 7-5/8"
62 cm 24-3/8" XL 7-3/4"
63 cm 24-13/16" XL 7-7/8"
64 cm 25-3/16" XXL 8"
65 cm 25-5/8" XXL 8-1/8"
66 cm 26" * XXXL 8 1/4"
67 cm 26 3/8" * XXXL 8 3/8"
* Revised sizing for improved fit. Available on GM8X Helmets.

 

 

 

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Last modified: November 27, 2008