Feel the soothing effect of lighter and at the same time highly functional high-tech underwear. With its moderate compression, the X-BIONIC ENERGIZER 4.0 SHIRT LONG SLEEVE MEN fulfils all the wishes of demanding winter sports enthusiasts who want to benefit from outstanding wearing comfort and performance-optimising thermoregulation at the same time.

The new 4.0 generation is the first to feature the Retina ultra-high definition quality for unique accuracy of functionality. The result is an ultra-dense knitted fabric that integrates 13 highly effective technologies. Functional zones with temperature-compensating and protective effects are positioned precisely and support your performance on cool winter days without you feeling constricted.

The legendary patented 3D Bionic Sphere System with ThermoSyphon technology is more powerful than ever and is active on the chest: A 40 CM2 sweat absorbing surface as well as complex 3D structures and Y-shaped elements maximize air exchange, cool when you sweat, and warm when you are cold - now faster and more efficient than ever.

Technologies such as the AirComPlex-Zone on the upper abdomen and the Air-Conditioning Channel with surrounding Air Guides support temperature-controlled ventilation under a second layer of clothing. The X-Impact Technology improves the oxygen and nutrient supply to the muscles and thus promotes enduring performance.