Alpinestars S-M3 Radium Helmet Accessory size:XL The aerodynamic spoiler evolves to

The aerodynamic spoiler evolves to split the air and limit buffeting at cruising speeds

WET WEIGHT*

bovine hide and goat skin leather construction gives performance protection

allowing the rider to focus solely on the road

Skate wheels and multiple grab handles

Alpinestars S-M3 Radium Helmet Accessory size:XL The aerodynamic spoiler evolves toEngineered 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. Advanced Shell Construction: This 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 lightweight. The SM3 medium weighs 1430g (ECE)