Lightweight

multiple-layer malleolus protection

Alpinestars exclusive vulcanized rubber outsole for superior grip

Lightweight microfiber accordion flex bellows for enhanced flexibility

Designed for youth off-road MX

sm5 mineral helmet ece dark brown kangaroo matte Secondary_Cool Gray Glossy LightweightThe 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