5. Under Armour Women's ColdGear Reactor Vest

Stay warm and comfortable during your outdoor workouts with the Under Armour Women's ColdGear Reactor Vest. This quilted activewear vest is made from a blend of polyester and elastane, offering a stretchy and breathable fit. It features ColdGear Reactor insulation, which adapts to your activity level to provide the right amount of warmth. The vest has a full zip closure, two zippered hand pockets, and a stand-up collar for added protection against the cold. It is available in various colors and can be easily layered over your favorite Under Armour activewear.