Alpinestars Supertech M5 Solid MX Helmet (2025) YCRF_communication_systems and an insert for an

and an insert for an optional SEESOFT back protector

14% polyurethane

Bio-based rubber outsole

Race fit - highly pre-curved body

so you'll always be able to hang on tight with ease

Alpinestars Supertech M5 Solid MX Helmet (2025) YCRF_communication_systems and an insert for anFEATURES 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