The Under Armour Women's ColdGear Reactor Vest is a top-rated sleeveless hooded reversible activewear vest. It is designed to keep you warm and comfortable during cold weather activities. The ColdGear Reactor technology adapts to your body's temperature, providing the right amount of warmth and breathability. The hood and high collar offer extra protection against wind and cold, while the zippered hand pockets provide secure storage for small essentials. Whether you're skiing, snowboarding, or simply enjoying a winter walk, this vest will keep you cozy and stylish.