Seller notes

Alpinestars Supertech S-M10 Acumen Helmet Shell construction utilizes a highly advanced molding technology with a multi-composite combination: 3K Carbon, high density carbon outer layer that improves strength and efficiency of energy dissipation over the shell Uni-directional carbon composite layer gives significantly greater radial strength around the shell, preventing compression but allowing controlled deflection for reducing transmitted impact energy Aramid fiber layer which provides critica...

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