Enjoy a variety of triathlon running clothing from Athleta. Our triathlon running apparel is available in a variety of styles that you can mix or match with your workout wardrobe. Our triathlon running clothing is designed to fit with the support you want. Triathlon running apparel is made from a specially designed fabric that wicks moisture from the skin so that you stay dry. Triathlon running clothing from Athleta is perfect for workouts, running or just for relaxing.