EQUIPPED FOR LONG HUNTING STALKS. WARMS YOU WHEN YOU‘RE COLD AND COOLS YOU WHEN YOU SWEAT. Specially designed underwear for the hunter‘s requirements. Warms you when you‘re cold and cools you when you sweat. The sophisticated temperature regulation and ducts used in the 3D-BionicSphere®-System provide an ideal and consistently pleasant body temperature of 37° C. The AirDuct™ Pads on the shoulder spread the pressure. At the same time, the special 3D weave technology ensures that the sweat-intensive area under the shoulder belt is ventilated in the active phase. While you rest, the AirDuct™ Pads act as air chambers and insulation.