Alpinestars S-M5 Compass Helmet Matt - Black/Orange Fluo R1 Pre-curved sleeves and ergonomic flat

Pre-curved sleeves and ergonomic flat lock seams for optimum levels of comfort

Featuring extensive perforations throughout for maximum airflow

Therefore a ventilation system is an important part of an advanced motocross helmet

protection and comfort

Alpinestars S-M5 Compass Helmet Matt - Black/Orange Fluo R1 Pre-curved sleeves and ergonomic flatAlpinestars S M5 Compass Helmet Matt Black Orange Fluo The 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