X-BIONIC ENERGIZER 4.0: extremely lightweight undergarment with a round collar, worn either alone or as a baselayer, it maximizes the cooling effect of your perspiration, thus increasing your endurance and boosting your athletic performance
THERMOSYPHON: the next generation of the legendary 3D Bionic Sphere System technology works on the chest and the back, where your body can most effectively use the cooling effect
SKIN COMFROT: through the interplay of numerous technologies, Sweat Traps quickly transports moisture via Air Conditioning Channel to evaporation-intensive areas; the AirComPlex-Zone on the breastbone and ventilation-optimized Air Guides help to quickly transport warm, moist air away from the body
ERGONOMICS: optimized IDEO-Waistband, which is tailored with higher line in the back, keeps your sleeveless top in place even during continual activity
X-BIONIC 4.0-generation products: this top is manufactured using ultra-high-resolution Retina technology. You benefit from highly effective density, intensive functional transmission and precise separation of functional zones