The Under Armour Women's ColdGear Authentic Base Leggings are a top-selling base layer pant on Amazon. These leggings are designed to keep you warm and comfortable during cold weather activities. They are made with a dual-layer fabric that has a brushed interior for added warmth and a smooth exterior for easy layering. The leggings also feature a moisture-wicking technology that helps to keep you dry and comfortable. With a fitted design, these leggings provide a snug and supportive fit without feeling restrictive. They are available in a range of sizes and colors to suit your style and preferences.