If you enjoy taking your training outside, the cold weather shouldn’t hinder you from getting your sweat on. Athleta‘s Tracker Top (#2 above) is available in six colors and features a fabric that reacts to both your body’s temperature and the outdoor environment. Pretty cool. In fact, Athleta has a great new collection of mix-and-match winter workout items to keep you perfectly cute and covered for a variety of cold weather activities. Check them out here!