The new X-Bionic Spyker Competition – longer than our original X-Bionic Spyker, covering the full lower leg reduces sweat but doesn’t eliminate it. High performance athletes consume up to 97 % of their energy to control body temperature, according to scientific research from the University of Dortmund in Germany. Similar to the principle of calf packing, or cold leg compresses when you have a fever, special 3D structures of the patented 3D-BionicSphere System lead to a widespread dispersal of sweat on the surface of the skin. That promotes evaporative cooling, which saves energy. This natural turbo-charging effect gives you extra oomph for forward motion and transforms sweat into energy.
Weight 42g ladies size medium
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