sm5 solid helmet ece black matte YTag_3721324 Thanks to the introduction of

Thanks to the introduction of the aramidic base lining with an open weave structure

semi-rigid heel piece with injected foam

and an ergonomicviscoelastic knuckle for effective impact protection

breathability and optimum wet weather protection

Derived from Alpinestars race boots and optimized for road riding and supreme levels of everyday comfort

sm5 solid helmet ece black matte YTag_3721324 Thanks to the introduction ofThe SM5 helmet has been designed to provide MX riders with a helmet that is safe and purposefully designed to deliver optimal protection and comfort. The lightweight SM5 helmet features a thermo injected shell incorporating a special polymer blend enhanced by varying degrees of thickness that is engineered to deliver the optimal combination of impact protection and light weight, while the five density EPS liner ensures the correct density in the