sm5 sail helmet ece yellow fluo enamel blue silver glossy Size:S With a new boot chassis

With a new boot chassis profile that offers improved feel and sensitivity on the bike’s controls and a leather upper main construction that integrates a fully waterproof membrane

06 is Alpinestars’ most advanced MX helmet for motocross riders

MorphTech Weave™ construction delivers performance flexibility

the Superfaster protects like a real boot with its tall height and full set of protection and offers a stylish look with the ultimate in protection and comfort

separation at the critical point of loading reduces potentially damaging leverage and rotational accelerations that can cause injuries to the rider’s neck and spine

sm5 sail helmet ece yellow fluo enamel blue silver glossy Size:S With a new boot chassisThe 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