The Under Armour Women's ColdGear Reactor Vest is a high-performance activewear vest designed to keep you warm and comfortable during cold weather workouts. It features UA ColdGear Reactor technology, which adapts to your activity level to provide the right amount of warmth. The vest is made from lightweight and breathable fabric, allowing for unrestricted movement. It has a full zip closure and a stand-up collar for added protection against the elements. The ColdGear Reactor Vest also has two zippered hand pockets and a chest pocket, offering convenient storage options. Stay cozy and stylish with this top-selling vest from Under Armour.