Experience the soothing effect of lighter and simultaneously high-functional high-tech underwear. With its moderate compression, it meets the needs of demanding winter sports enthusiasts who want to benefit from outstanding wearing comfort and performance-enhancing thermoregulation. The legendary patented 3D Bionic Sphere System with ThermoSyphon® technology is more powerful than ever: Complex 3D structures and Y-shaped elements maximize air exchange, cooling you when you sweat and warming you when you freeze. Functional zones like the Innerlap AirConditioning Zone on the inside of the thighs and Sweat Traps® for targeted management of excess sweat regulate temperature and enhance performance. The ExpansionKnee at the knee joint ensures optimal climate comfort while providing full freedom of movement.