The Under Armour Women's ColdGear Reactor Vest is a popular choice among active women. It is made from a blend of polyester and elastane, offering warmth and flexibility. The vest features a sleeveless design with a hood, a full zip closure, and two hand pockets. The high-visibility color adds an extra layer of safety during low-light conditions. Whether you're running, cycling, or engaging in other outdoor activities, this vest will keep you comfortable and visible.