Designed for ultimate comfort and warmth, the Ekouaer Women's Thermal Underwear Set is a popular choice among Amazon shoppers. The ribbed base layer set is made from a blend of polyester and spandex, ensuring a soft and stretchy fit. The top features a round neck and long sleeves, while the bottoms have an elastic waistband for a snug fit. Whether you're braving the cold outdoors or simply lounging at home, this base layer set will keep you warm and cozy all day long.