The Under Armour Women's ColdGear Reactor Vest is a popular choice among women for its innovative technology and performance. It features ColdGear Reactor insulation, which adapts to your activity level to provide the right amount of warmth. The vest also has a water-resistant shell and a stand-up collar for added protection against the elements. It features zippered hand pockets and an interior chest pocket for storing small essentials. Whether you're running, hiking, or engaging in other outdoor activities, this vest will keep you comfortable and protected.