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Details
Details
GMax GM11S Snow Sport Nova Helmet.
GMax is extremely excited about the GM11 Adult dual sport helmet series. The GMax dual sport helmet is truly an all season sport helmet. The GM11 Helmet is loaed with features and designs normally found on other highly priced helmets, but delivered to you at a true GMAX competitive value.
GMax GM11S Helmet Features
- New design for mouth vent and visor!
- Modern styling.
- Can be quickly converted from a visor configuration to a visor-less configuration.
- Side shield plate covers come as standard equipment in the box to use when configuring to a visor-less set-up.
- Includes: double anti-fog clear lens, visor, chin curtain & breath guard, and side plate covers for visor-less configuration.
- Outer flip shield is completed hidden under the visor, and out of line-of-sight, when in the fully raised position.
- Large eye port that accepts large goggles.
- Visor is designed to allow airflow to pass uninterrupted across the helmet to virtually eliminate helmet-lift at high speeds.
- Shield can be fully raised or lowered when using goggles.
Venting:
- Maximum air flow is achieved thru shell/styro & comfort liner vents.
- Top, front, and jaw piece vents are a bold design that can be fully opened or closed with a “gloved” hand.
Lateral styro inserts:
- Additional support inserts are located between the cheek pads and the shell.
- Increased comfort and outside sound reduction.
Plush removable washable interior:
- Allows for adjustable fit and comfort that is second to none.
- Tool-Less removal for easy cleaning.
Removable washable cheek pads:
- Designed for comfort and reduction of outside noise.
- Integrated speaker pockets.
- Allows for custom fitting with optional sized cheek pads.
Optional accessories:
- Clear double anti-fog lens shield.
- Breath guard and chin curtains.
D.O.T Certified:
- Lightweight thermo-plastic poly alloy shell.
- Padded D-ring chin strap with a retention snap that secures excess chin strap length.
GMax GM11S 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.
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 |
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