The Under Armour Women's ColdGear Reactor Vest is a popular choice for women who want a sleeveless waterproof activewear vest that can adapt to changing weather conditions. This vest features UA Storm technology, which repels water without sacrificing breathability. It also has ColdGear Reactor insulation that adapts to your activity level, providing the right amount of warmth when you need it. The vest has a full zip closure and a stand-up collar for added protection. With its innovative features and stylish design, this vest is a top pick for active women.