Alpinestars Supertech R10 Element Adult Street Helmets Size:X-Large The ventilation achieves maximum efficiency

The ventilation achieves maximum efficiency through the air vents at the front and on the chin

then passed through aligned vent channels in the EPS and exits out multilple rear exhaust vents

tool-less shield removal and installation

Durable 300D polyester and Iron Weave Mesh chassis

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Alpinestars Supertech R10 Element Adult Street Helmets Size:X-Large The ventilation achieves maximum efficiencyAlpinestars Supertech R10 Element Adult Street Helmets Utilizes molding technology with a multi composite combination featuring a 3K high density carbon outer layer, a uni directional carbon composite layer, an aramid fiber layer, and a fiberglass one. 3K high density carbon outer layer provides strength and efficiency of energy dissipation. Layered composite combination created by bonding everything together with an epoxy resin already applied on the