Alpinestars SM3 Radium MX Helmet Color:Gray/Black/Yellow Fluo The Largest

The Largest

All high abrasion areas are reinforced with a double canvas layer

Great replacement or upgrade for your board

90° clearing function PRO ALU III

With the 5TECH™ shell and 200G insulated liner

Alpinestars SM3 Radium MX Helmet Color:Gray/Black/Yellow Fluo The LargestEngineered for MX, Enduro, and off road riding, the SM3 Helmet integrates advanced technologies and innovations designed to enhance ease of use, comfort, and impact protection. Its ergonomic build ensures daily ease, while premium materials absorb impacts. Built for competitors and trail enthusiasts alike. Features Advanced Shell Construction: This helmet features a thermo injected shell incorporating a special polymer blend enhanced by varying