The Under Armour Women's ColdGear Reactor Vest is a popular choice for women looking for a sleeveless hooded windproof lightweight activewear vest with advanced temperature regulation technology. This vest features UA ColdGear Reactor insulation, which adapts to your activity level to provide the right amount of warmth. The windproof and water-resistant shell keeps you protected from the elements, while the hood adds extra coverage. The sleeveless design allows for unrestricted movement, making it suitable for a wide range of activities. With its modern and sporty design, this vest is a top pick among active women.