The Champion Women's Authentic Leggings are a popular choice for women's athletic base layer bottoms on Amazon. These leggings are made with a blend of polyester and spandex, providing a comfortable and stretchy fit. They have a wide waistband for a secure and flattering fit. The leggings also feature Champion's Double Dry technology, which helps to wick away sweat and keep you dry during workouts. With a variety of colors and sizes available, you can find a pair that suits your style and body type. Whether you're hitting the gym or running errands, these base layer leggings are a stylish and practical choice.