The Under Armour Women's ColdGear Reactor Vest is a high-performance quilted fleece activewear vest designed for cold weather activities. Made from a blend of polyester and elastane, this vest offers a comfortable and stretchy fit. It features ColdGear Reactor insulation, which adapts to your activity level to provide the right amount of warmth. The vest also has a full-zip front, zippered hand pockets, and a stand-up collar for added protection against the cold. Whether you're skiing, snowboarding, or running in chilly weather, this vest will keep you warm and comfortable.