Fibre technology specialist DuPont has released its findings from recent research studies showing that DuPont Thermolite Base performance fabrics have proven physiological and performance benefits as well as superior wicking and drying rates. The problem facing creators of cold weather training apparel is that for the athlete to perform at their optimum they must be kept warm. However, clothing can absorb, trap or reduce the movement of sweat, which will prevent the body from efficiently regulating a healthy temperature.