Thorny Devil Technology (TM) channels moisture for maximum cooling. THE TRICK (R) thermoregulation system. Two-Step 3D-BionicSphere (R) system under front waistband. 3D Bionic Sphere (R) system at tailbone panels. ExpansionKnee (TM) protect knees from the cold. AirConditioning Spot (TM) ventilates back of knee. X-BIONIC (R) Partial Kompression utilizes the advantages of compression without neglecting cooling. ISO-Pads guard sensitive areas from cooling and help maintain optimal temperature. Made in Italy.