The Gmax HH-45 is the bare knuckled no frills helmet.
Gmax dropped the extras of the GM-65 without leaving out what really matters.
All of the quality of their premium half helmets in a lightweight low profile package.
- DOT approved
- Removable, washable Coolmax® interior allows for easy cleaning
- Comfort liner, shell and EPS designed for maximum venting without reducing the integrity of the helmet
Sizing chart provided by GMAX.
To find your approximate size measure the circumference of your head one-inch above eyebrows and across the largest portion of the back of your head.
Sizing guideline (head circumference inched measured above the eyebrow)
XS: 20 7/8 to 21 1/4
Small: 21 5/8 to 22
Medium: 22 7/16 to 22 3/4
Large: 23 1/8 to 23 5/8
XL: 24 to 24 3/8
2XL: 24 3/4 to 25 3/16
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