The function of laundry per Cool Craft was developed to the body of an athlete at maximum capacity to a maximum cooling. This is achieved mainly through Hexachannel Coolmax Extreme. This functional polyester fiber, six channels in the fiber surface "dug".

Thus, in relation to the volume of the fiber is a very large surface. It provides for a radically rapid moisture transport and thus also for effective cooling of the athletes. This effect is also washes unsustainable out because the fibers do not change their shape.