ALPINESTARS Supertech R10 Helmet - Team - Matte Black/Carbon Red Fluo/Blue - Medium 8200224-1383-M ACE 5" | Circumference 4-3/4"

5" | Circumference 4-3/4"

Multi-Density EPS foam injection molded with polycarbonate in two size specific molds

3208-28 Rocker Box Screw Kit Cadmium Reference #'s (if available): Can't find what you need

3D mesh lining for high levels of breathability and lightweight

ALPINESTARS Supertech R10 Helmet - Team - Matte Black/Carbon Red Fluo/Blue - Medium 8200224-1383-M ACE 5" | Circumference 4-3/4"Alpinestars Supertech R10 Live Stream Outer Shell 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 over the shell Layered composite combination created by bonding everything together with an epoxy resin already