ALPINESTARS Supertech M10 Helmet - Era - MIPS® - Gloss Gold/Yellow/Rio Red - XS 8301223-5938-XS Slip-On Line Muffler - S 1000 R combined with multiple layers of

combined with multiple layers of varying foam densities supported by a foam "spring"

The frequency and location of the perforation patterns in the high-flo cores creates significant sound scattering in the mid frequencies

mounting bracket and hardware included

for those who think loud just isn't good enough

Optional luggage rack sold separately

ALPINESTARS Supertech M10 Helmet - Era - MIPS® - Gloss Gold/Yellow/Rio Red - XS 8301223-5938-XS Slip-On Line Muffler - S 1000 R combined with multiple layers ofThe 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 Surface curvature promotes reduced friction on impact, allowing deflection and transfer of energy to protect the rider's head from direct force to the skull and referred to the neck and spinal column The S M10