Alpinestars Supertech M5 Solid MX Helmet (2025) YCRF_communication_systems 5" or Wide 8

5" or Wide 8

Race fit - highly pre-curved body

14% polyurethane

and not the other way around

Wide-brimmed to give you the shade you deserve

Alpinestars Supertech M5 Solid MX Helmet (2025) YCRF_communication_systems 5" or Wide 8FEATURES Constructed from a special lightweight and impact resistant thermo injected polymer, results in a significantly lighter helmet with increased structural strength and outer shell uniformity in two outer shell sizes Inner shell includes multi density advanced EPS construction for optimal impact absorption performance in three sizes Features two concepts for impact energy management including a resin coated inner shell surface that noticeably