If one layer is warm enough, there's no need for unnecessary layering." Under Armour's ColdGear leggings, a winter-specific base layer created to always deliver peak performance. These leggings provide a compression fit that gently wraps muscles during exercise, reducing unnecessary vibrations and supporting endurance. Reflective features make athletes safer in the early morning and evening. Using high-density microfiber yarns, these leggings provide both warmth and comfort, and their high sweat-wicking and quick-drying properties prevent chills from sweat. Excellent four-way stretch allows for smooth movement in all directions. They quickly absorb and wick away sweat, keeping athletes' bodies dry at all times. Mesh material is used in the panels to enhance breathability. Odor reduction. Reflective graphics and seams make nighttime workouts safer.