Stay warm and comfortable during your outdoor activities with these Under Armour Women's ColdGear Authentic Base Leggings. Made with a blend of polyester and elastane, these spandex base layer bottoms provide a snug fit and excellent mobility. The ColdGear technology helps to keep you warm by trapping heat and wicking away sweat. Whether you're hiking, skiing, or running, these leggings are a great addition to your winter wardrobe.