Stay warm and comfortable during your outdoor workouts with the Under Armour Women's ColdGear Reactor Vest. This quilted fleece vest is made from a blend of polyester and elastane, providing excellent stretch and mobility. It features UA ColdGear Reactor technology that adapts to your activity level, keeping you warm when you're inactive and cool when you're active. The vest also has a full zip closure, two zippered hand pockets, and a stand-up collar for added warmth. Whether you're running, hiking, or doing yoga, this vest will keep you cozy and stylish.