The Under Armour Women's ColdGear Reactor Vest is a popular choice for women looking for a sleeveless hooded reversible activewear vest with advanced insulation technology. This vest features ColdGear Reactor insulation, which adapts to your activity level to provide the right amount of warmth. The hood adds extra protection against the elements, while the sleeveless design allows for unrestricted movement. It also features a full zip front, two zippered hand pockets, and a stylish quilted pattern. Whether you're hiking, skiing, or running, this vest will keep you warm and comfortable.