The Campania seamless jersey combines perfectly warmth, freedom of movement and maximum breathability to provide optimum performance even in the harshest weather conditions, as the seamless fabric was carefully engineered to function perfectly within cold winter riding conditions, including a cutting-edge climate control feature that regulates your core body temperature so you can maintain a homeostatic temperature, ensuring you not overheating during exertion, nor enter a state of hypothermia and chill after you exercise.