The best selling jacket in the Joe Rocket lineup, the Atomic 4.0 jacket brings excellent value along with top notch features. With a foundation based on a waterproof textile add in the VariableFlow venting system. As well, the Atomic 4.0 adds integrated armor with the 6-point SureFit system to make sure all pieces are properly positioned. Add to that bold colors and styling and the Joe Rocket Atomic 4.0 Jacket is a leader for the price conscious rider who doesn't want to skimp on features.