X-bionic Invent 4.0 Tight Black XL Man

The functional underwear of the x-bionic-4.0 Generation is designed for men who wish light compression and effective thermoregulation for a moderate level of activity The high-resolution Retina process produces an exceptionally dense material in which the functional zones are seamlessly integrated and can act with pinpoint precision The legendary 3D Bionic Sphere System provides optimal thermoregulation in the front and tailbone areas with proven effectiveness Sweat traps prevent sweat gutters and additionally support the cooling effect. The Expansion Knee at the knee joint offers optimum climate comfort and allows unrestricted freedom of movement 100% research, development, design and communication done in Switzerland, made in Italy. More than 600 awards and test Wins, over 800 patent registrations worldwide for the brand with the "X"