The Nike Women's Pro Warm Long Sleeve Training Top is another top-rated base layer top for women's running on Amazon. It is made with Nike's Pro Warm fabric, which provides a locked-in feel and helps keep you warm without overheating. The top features Dri-FIT technology that wicks sweat away from your body, keeping you dry and comfortable. It has a slim fit and a crew neck design for a sleek and stylish look. The thumbholes on the sleeves provide extra coverage and help keep the top in place during your runs. Whether you're training for a marathon or going for a casual jog, this base layer top is a reliable choice for women's running.