GMax OF17 Open Face Helmet.
The new Gmax OF-17 offers many of the features of our premium open face helmets at a price to fit any budget. As with all GMAX helmets, a Coolmax interior is standard as well as a 100% UV400 protective face shield. You also have the option of running it with a sun visor for around town or for those days wind you just want to feel the wind on your face.
Features
- DuPont Coolmax® interior keeps you dry and comfortable. Coolmax® wicks moisture away from your body and dries quickly
- Removable, adjustable, washable Coolmax® interior allows for easy cleaning and custom fitting.
- Industry leading six vents, including new GMAX® top and rear vents with premium SPC vented EPS and interior engineered for maximum air flow control
- 100% UV400 resistant face shield comes anti-scratched hard coated for a longer lasting clear view
- Speaker pockets for easy communication system installation
- Optional outer flip tint lenses
- DOT approved
Sizing

Helmet Size 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 feel 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.
| SIZE CHART | |||
| CIRCUMFERENCE | HELMET SIZE | ||
| Metric cm | Inches | Letter | Number |
| 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 | |
















