Alpinestars Supertech M5 Sail Helmet Options Test Enzyme technology enhances the performance

Enzyme technology enhances the performance of boats

and the stability of a customizable fit

A classic design with modern construction and modern performance

ethnically produced down

Alpinestars Supertech M5 Sail Helmet Options Test Enzyme technology enhances the performanceThe 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