and windproof performance

Featuring dual-density guards with a fiberglass core and PE hardshell

Constructed with a long cuff and unique inner wrist design ideal for comfort in the jacket

A new addition to the to Alpinestars class-leading SMX range

sm5 sail helmet ece violet black silver glossy SP23 MTB and windproof 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