The 32 Degrees Women's Heat Base Layer Leggings are a popular choice for women's base layer pants on Amazon. These leggings are made with a blend of polyester and spandex, providing a comfortable and stretchy fit. The fabric is designed to trap and retain heat, keeping you warm in cold weather. The leggings also have a moisture-wicking technology that helps to keep you dry and comfortable during activities. With a wide waistband and a form-fitting design, these leggings offer a flattering and comfortable fit.