The Under Armour Women's ColdGear Reactor Vest is a performance-driven vest with a crew neck. It is made from a blend of polyester and elastane, offering excellent stretch and mobility. The ColdGear Reactor technology adapts to your activity level, providing the right amount of warmth and breathability. It features a full zip closure, a stand-up collar, and two zippered hand pockets. Whether you're hitting the gym or going for a run, this vest will keep you comfortable and stylish.