Alpinestars - Supertech M5 Solar Flare Helmet Size:Large 38% more than the YAMAHA

38% more than the YAMAHA stock paper filter

Maintains the integrity and structure

Why choose MICHELIN® Anakee® Wild

Woven TruMotion® zonal all-way stretch panels provide unmatched mobility

Alpinestars - Supertech M5 Solar Flare Helmet Size:Large 38% more than the YAMAHAThe all new SM5 helmet is the result of more than five years of intensive study, development and testing. We scrutinized every possible aspect to engineer a helmet that is safe and thoughtfully designed to deliver optimal protection and comfort. This lightweight 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