The Columbia Women's Midweight Stretch Baselayer Tight is designed to keep you warm and comfortable in cold conditions. Made with a blend of polyester and elastane, these pants offer a snug and stretchy fit. The Omni-Heat thermal reflective lining retains body heat, while the Omni-Wick technology wicks away moisture to keep you dry. With its ergonomic design and flatlock seams, these base layer pants provide maximum comfort and mobility.