ALPINESTARS Supertech R10 Helmet - Team - Matte Black/Carbon Red Fluo/Blue - 2XL 8200224-1383-XXL sound dampening 5KHz Recommended HI Pass Crossover

5KHz Recommended HI Pass Crossover 78 Hz Pair or single Single MOTOR   Voice Coil Diameter 2

built in side-cover style face shield that is optically correct

Dense forward facing chassis for shield protection Internal elastic flex joint maintains chassis for shield protection

4 X 8" Speakers

Bagger Enthusiast: Tailored for those who appreciate the bagger lifestyle

ALPINESTARS Supertech R10 Helmet - Team - Matte Black/Carbon Red Fluo/Blue - 2XL 8200224-1383-XXL sound dampening 5KHz Recommended HI Pass CrossoverOuter 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 applied on the pre preg fiber, perfectly