Alpinestars - Radium Tech Jacket - Black/Red 998 ): This innovative technology is

): This innovative technology is designed to reduce rotational acceleration energy to the head in the event of an impact

that advantage is even more significant

our priorities are a precision fit and easy use during everyday riding

understated look

hard section on upper part provides stability and provides force distribution when the helmet is impacting

Alpinestars - Radium Tech Jacket - Black/Red 998 ): This innovative technology isEngineered and optimized for urban riding Tech Air ready Low profile, ribbed stretch cuff for high levels of rider comfort Hood attachment loop on the back to secure the hood while riding, and pullers on front to tighten the hood, to prevent the hood from flapping while riding Full 3 layer tech shell construction for a reduced material design with a truly causal aesthetic, and ribbed stretch cuffs for comfort Athletic fit, tailored to the riders body