Energy Accumulator Shirt 2.1 (Women's)
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WARMS WHEN YOURE COLD. COOLS WHEN YOU SWEAT.
The cooling effect of X-BIONIC Underwear is only activated once you start sweating. Its clever regulation system works with the most reliable of starters: your sweat. One-of-a-kind and effective, with its cooling power always exactly when you need it. Regulates your personal micro-climate, developed by scientists, proven by endurance athletes.
You know that unpleasent feeling of being sweaty, then breaking out in goose bumps. Your body is sounding the alarm: Warning, threat of overcooling! X-BIONIC Underwear prevents these chills. If no sweat is present, then a unique process uses air heated by the body asthermal insulation.