Stay warm and comfortable with the Columbia Women's Midweight Stretch Long Sleeve Top. Made from a blend of polyester and elastane, this base layer top is designed to provide maximum warmth and flexibility. The Omni-Heat thermal reflective lining retains body heat, while the moisture-wicking fabric keeps you dry and comfortable. The four-way stretch construction allows for unrestricted movement, while the flatlock seams prevent chafing. Whether you're skiing, snowboarding, or just braving the winter chill, this base layer top is a reliable choice.