Storm technology – Battle the elements with the UA lightweight running jacket. UA Storm technology repels water without sacrificing breathability. Wind-resistant – With its wind-resistant materials and tough construction, this men's workout jacket stands up to the harshest elements. Lightweight feel – The men's gym top is made from lightweight, ripstop woven fabric that is ultra-tough but designed with your comfort in mind. Superior breathability – These jackets for men have mesh lining for greater breathability and elastic cuffs to help keep the sleeves in place. Material and fit – UA Sportstyle Windbreaker, durable sports jacket,. Material: 100% Polyester. Fit: Loose.