Bell MX-9 Adventure Alpine Helmet
With the MX-9 Adventure Mips, pavement is optional. This go-anywhere helmet gives you the best of both dirt and street. It’s designed to adapt to your version of adventure.
IMPACT MANAGEMENT:- MIPS®
- INTEGRATED/REMOVABLE SHIELD WITH NUTRAFOG II ANTI-FOG, ANTI-SCRATCH AND UV PROTECTION
- TWO-POINT ADJUSTABLE VISOR WITH AIR-INTAKE VENTS
- VELOCITY FLOW VENTILATION SYSTEM FOR MAXIMUM COOLING
- 3 SHELL AND EPS SIZES FOR A PERSONALIZED FIT
- 1698G +/- 50G (SIZE M)
- DOT (US)
- ECE (EU)
- NUTRAFOG II ANTI-FOG, ANTI-SCRATCH AND UV PROTECTION
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Sizing Information
| Size | Head (inches) | Head (cm) | Hat Size |
| XS | 20 7/8 – 21 5/8 | 53-54cm | 6 5/8 – 6 3/4 |
| Small | 21 5/8 – 22 | 55-56cm | 6 7/8 – 7 |
| Medium | 22 1/2 – 22 3/4 | 57-58cm | 7 1/8 – 7 1/4 |
| Large | 22 3/4 – 23 1/4 | 59-60cm | 7 1/4 – 7 3/8 |
| XL | 23 5/8 – 24 | 61-62cm | 7 1/2 – 7 5/8 |
| XXL | 24 1/2 – 24 3/4 | 63-64cm | 7 3/4 – 7 7/8 |
| XXXL | 25 5/8 – 26 | 65-66cm | 8 1/8 – 8 1/4 |
This sizing chart is based on information provided to us by Bell Helmets and is subject to change without notice, although we will do our very best to keep it up to date. We recommend that you measure your head by wrapping a cloth tape measure around your head about 1 inch or 2.5 cm above your eyebrows, which should be the largest portion of your head. Choose the helmet that is closest to your measured head size. If you fall between two sizes, choose the smaller of the two. You want a helmet to fit snug without being uncomfortable.
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