SM5 Mineral Helmet YGroup_4202524 and Alpinestars engineered ergonomic mobility

and Alpinestars engineered ergonomic mobility

and a slim vented kidney belt for added security

The chassis provides a comfort fit with a pre-curved pattern and large stretch panels on the chest

Replacement shield mechanism for Alpinestars S-R10 Helmets

zipper hand pocketsSide zipper vents

SM5 Mineral Helmet YGroup_4202524 and Alpinestars engineered ergonomic mobilityThe 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