The Under Armour Women's ColdGear Reactor Vest is a high-visibility sleeveless hooded vest that is perfect for outdoor activities in low-light conditions. It features a reflective design that enhances visibility and safety. The vest is made from high-quality materials that provide excellent insulation and moisture-wicking properties. It also features a full zip front, a hood with adjustable drawstrings, and two zippered hand pockets. Whether you're running, cycling, or walking, this vest will keep you warm, visible, and comfortable.