X-Bionic X-Plorer Energiser

The 3D Bionic Sphere System with ThermoSyphon technology maintains a comfortable body temperature of 37°C in every situation to ensure optimum performance at all times. Only with X-BIONIC 4.0: Innovative Retina ultra-high-resolution, award-winning, patented 3D Bionic Sphere System with ThermoSyphon technology. With complex 3D structures of inner and outer air channels. It cools when you sweat and warms when you're cold. Optimum comfort for explorers who wear rucksacks. The three-dimensional, woven AirDuct pads are positioned where the backpack straps rest against the body. The shoulders are protected from pressure and friction by the AirDuct ShoulderPads. The body is surrounded by the Air-Conditioning Channel ventilation system, which continuously dissipates moisture and heat.