Featuring a unique

where it has double tubing

Waterproof rating of IP 67

Zyklop Metal ratchet with switchover lever

Alpinestars - Supertech M5 Helmet - Beam Size:Large Featuring a uniqueThe 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