GMax GM44 Derk Modular Helmet.
The GMax GM44 Derk Modular Helmet offers a lightweight shell that is great for those longer rides. Comfort and durability go hand in hand with its Coolmax interior, multiple vents throughout helmet for additional cooling, and built in speaker pockets for that little extra while you are riding.
GMax GM44 Helmet Features
- Lightweight polycarbonate shell
- GMAX "Ultimate function flip up jaw system" - When you raise the easy to lift GMAX jaw piece, you're ready to talk or drink without any more fuss
- One hand, easy-to-use chin bar push-to-open mechanism designed for easy use with gloves on
- Removable, washable Coolmax interior
- Removable cheekpads for custom fitting with optional sized cheekpads available for purchase
- D.E.V.S "Dual Exhaust Venting System" - top, side, and rear vents reduce fogging and sweating
- Forehead and chin bar vents control intake air and reduce fogging
- Excellent shield seal reduces unwanted cold air and noise
- Padded chin strap
- DOT certified
GMax GM44 Helmet Sizing
Helmet Sizing Information. 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 size to your head correctly.
To find the Correct size helmet for a person's head:
- Measure the head circumference one-inch above the eyebrows and ears
- Using the circumference measured, use the size chart below to find the approximate size
- Once you have tried on the helmet it should fell snug equally around the head. The helmet should not feel too tight or too loose at any point around 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.
|53 - 54cm|| 21-1/4" - 21-5/8"||XS|| 6-3/4 - 6-7/8|
|55 - 56cm||22" - 22-7/16"||S||7 - 7-1/8|
|57 - 58cm|| 22-13/16" - 23-1/4"||M|| 7-1/4 - 7-3/8|
|59 - 60cm|| 23-5/8" - 24"||L|| 7-1/2 - 7-5/8|
|61 - 62cm|| 24-3/8" - 24-13/16"||XL|| 7-3/4 - 7-7/8|
|63 - 64cm|| 25-3/16" - 25-5/8"||XXL||8 - 8-1/8|
|65 - 66cm||26" - 26-3/8"|| XXXL|| 8-1/4 - 8-3/8|
|67 - 68cm|| 26-1/2" - 26-5/8"|| XXXXL|| |