AlpineStar S-M5 Action ECE Motocross Helmet

• The all-new SM5 helmet is the result of more than five years of intensive study, development and testing. 
• Alpinestars scrutinised 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
• Engineered to deliver the optimal combination of impact protection and lightweight
• The five density EPS liner ensures the correct density in the correct area for enhanced impact absorption