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Alpinestars Supertech M8 Radium 2 Helmet
Features
- Lightweight multi-composite combination shell: uni-directional carbon composite with an aramid layer
- Shell layers with an epoxy resin bonding for limited outer shell deflection so that the energy spreads wider and is better absorbed by the EPS liner *Four shell sizes
- Multi-density EPS polymer liner four section construction that allows for specific densities of polymer to be prepared for different zones around the helmet lining
- Patented A-Head fit system allows the M8 to be tuned exactly to the riders preference with a micro-adjustable pad that is connected to the inner shell
- Patented visor release system ensures the peak detaches from the helmet if subjected to a significant impact while maintaining shell integrity
- Base of the S-M8 has been sculpted for collarbone protection and includes an energy absorbing pad
- MIPS incorporated to reduce rotation motion energy with a low-friction slip layer between the comfort liner and the multi-density polymer energy absorption shell
- Emergency Release System cheek pads
- Designed to allow a helmet eject inflation system to be fitted into the inside crown of the shell (sold separately)
- Wide 26mm chin strap
- Visor designed to direct air flow along with intake and exhaust vents
- Hydration compatible
- Removable and washable Coolmax liner
- DOT and ECE certified
MSRP:
$549.95
,
Our Price: $399.00
Sizing Information
Below is a size chart provided by Alpinestars for this product.
Helmet Size | Head Measurement (inches) | Head Measurement (cm) |
---|---|---|
XS | 20.8 to 21.2 | 53 to 54 |
Small | 21.6 to 22 | 55 to 56 |
Medium | 22.4 to 22.8 | 57 to 58 |
Large | 23.2 to 23.6 | 59 to 60 |
XL | 24 to 24.4 | 61 to 62 |
XXL | 24.8 to 25.2 | 63 to 64 |
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