Material: 90% Polyamide / 5% Polypropylene / 5% Elastane Features: The most versatile Excellent thermoregulation Increased efficiency and effectiveness Perfect fit to the body Maximized cooling effect Technologies: Termosyphon® - provides a larger evaporation surface and faster sweat wicking. IDEO-Waistband® - optimized waistband in the hips, with a longer back keeps clothing in place even during constant movement. ShoulderPads - honeycomb inserts in the shoulder area, which allow you to isolate the shoulder joints without restricting movement. Air-Conditioning Channel® - a ventilation system with channels that wrap around the body, constantly wicking away moisture and heat. SweatTraps® - these are panels that capture sweat generated during exercise. Air Guides® - a system regulating air circulation. AirComPlex-Zone® - a zone that protects particularly sensitive parts of the body thanks to special channels that process excess sweat, providing a feeling of comfort. Expansion Ribs® - a special construction that improves blood circulation and increases freedom of movement. Aktiv-Bund - adapts to any figure without causing discomfort. The latest generation X-Bionic is the most technologically advanced underwear on the market that: Converts sweat into "energy". Thanks to special technologies, it supports the body in the thermoregulation process, saves energy that we can use for physical activity, maintains the most beneficial for physical activity, constant body temperature of 37°C - warms when we are cold and cools when we are hot, is made of bacteriostatic materials, which prevents the growth of bacteria and limits the formation of unpleasant odors, are manufactured in a modern factory in Italy according to the strictest European standards, which ensures unmatched quality and durability,