The ASICS Women's Thermopolis Plus Long Sleeve is a highly rated base layer top for women's running on Amazon. It is made of a soft and stretchy fabric that provides excellent moisture management and breathability. The top features ASICS' Thermopolis technology, which helps regulate your body temperature and keeps you warm in cold conditions. It has a relaxed fit and a crew neck design for a comfortable and casual look. The thumbholes on the sleeves offer extra coverage and help keep your hands warm during your runs. Whether you're running in chilly weather or layering up for outdoor activities, this base layer top is a great addition to your running wardrobe.