The REI Co-op Women's Midweight Base Layer Tights are a versatile option for all your outdoor activities. Made with a blend of polyester and spandex, these tights offer a comfortable and stretchy fit. The fabric is also treated with Polygiene permanent odor control, so you can stay fresh even after multiple uses. The flatlock seams reduce chafing, and the wide waistband provides a secure and flattering fit. Whether you're skiing, hiking, or running in cold weather, these base layer tights will keep you warm and comfortable.