The Under Armour Women's ColdGear Reactor Vest is a high-performance vest that is designed to keep you warm and comfortable in cold weather. It is made with UA Storm technology to repel water without sacrificing breathability. The vest features ColdGear Reactor insulation that adapts to your activity level for the right breathability and warmth. It also has zippered hand pockets and a stand-up collar for added functionality. Whether you're running, hiking, or skiing, this vest will help you stay cozy and dry.