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ALPINESTARS HELMET SIZING CHART
The goal of the Alpinestars Supertech family of helmets was to create the most advanced, protective, and performance-enhancing helmets possible for riders worldwide. With the S-M10, Alpinestars’ Helmet Development team engineered the helmet to offer the perfect blend of excellent ventilation, and unsurpassed comfort, to create a helmet with the lightest weight possible, all without compromising on any other front.
The S-M10’s design offers a smooth, attractive, aerodynamic profile which is streamlined and free of any external channels and features that might act as a load point in an impact or compromise the overall integrity of the helmet’s construction. The surface curvature promotes reduced friction on impact, allowing deflection and the most efficient transfer of energy to protect the rider’s head from direct force to the skull and referred to the neck and spinal column.
CONSTRUCTION
- Carbon shell construction utilizes a highly advanced molding technology with a multi-composite combination:
- 3K, high density carbon outer layer that improves strength and efficiency of energy dissipation over the shell.
- UD carbon composite layer that gives significantly greater radial strength around the shell, preventing compression but allowing controlled deflection for reducing transmitted impact energy.
- Aramid fiber layer which provides critical penetration protection.
- This three-layer composite combination is given even greater performance with an epoxy resin bonding that offers the best possible strength and energy management.
- The combination of material layers gives improved energy management: limited outer shell deflection making the energy spread wider and better absorbed by the EPS liner.
- The result of the unique shell lay-up process employed in the M10 construction results in extremely effective impact protection.
- With a fully equipped helmet testing facility, within Alpinestars Racing Development Center, an exhaustive impact research program has resulted in the Supertech returning linear and oblique impact performance which far improves upon current helmet regulation standard limits.
- For direct, linear, impact by an average magnitude of 41% and for rotational acceleration, oblique, impact performance by an average of 48%.
- M10 in four anatomical shell sizes.
- The Supertech M10 shell construction is optimized to offer best fit across the range of four size options.
- Shell sizes are manufactured in small, medium, large and extra-large to ensure that riders have the correct fit which not only improves comfort but, most importantly, the effectiveness of the helmet in an impact.
- The Supertech M10 liner construction combines with the shell to offer highly efficient impact energy management.
- Formed with a multi-density EPS polymer, the energy absorbing layer gives an inner helmet profile which soaks up impact forces dissipated over the outer shell at the point of an impact and provides a shape offering a close and comfortable fit.
- The energy absorption performance of the M10 is substantially improved by a four-section construction that allows for specific densities of polymer to be prepared for different zones around the helmet lining.
- Not only is energy performance improved but also fit and comfort.