Covered hard knuckle with padded finger for better protection

A lightweight mesh riding jacket that not only flows a ton of air

Tapered design fits most exhaust diameters

suitable for any terrain and atmospheric climate

Alpinestars S-M3 Radium Helmet Helmets Covered hard knuckle with paddedEngineered 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)