Gear up for your winter runs with the Nike Women's Pro Warm Base Layer Top. This top is made with Nike Pro Warm fabric, which provides a locked-in feel and helps keep you warm without overheating. The fabric also wicks away sweat, keeping you dry and comfortable throughout your run. The fitted design and stretchy fabric allow for a full range of motion, while the mock neck provides extra coverage. The top features flat seams to reduce irritation and chafing, and the thumbholes keep your sleeves in place. Whether you're training for a marathon or just going for a jog, this base layer top will keep you warm and comfortable during the colder months.