Stay warm and comfortable during your outdoor activities with the Under Armour Women's ColdGear Authentic Base Leggings. Made with a blend of polyester and elastane, these leggings provide a snug fit and excellent stretch. The ColdGear technology helps to keep you warm by trapping heat and wicking away sweat. These leggings are perfect for layering under your favorite pants or wearing on their own for a stylish and functional base layer.