UYN has launched a global marketing campaign on Eurosport, featuring the biathlon star Dorothea Wierer. It is sponsoring the ski teams of Germany, Austria, France, Italy, Norway, Russia and Slovenia as well as the Slovak biathlon team. UYN, which stands for Unleash Your Nature, is the new brand of functional underwear of Trerè Innovation, the Italian knitwear producer who previously had a license for X-Socks and X-Bionic clothing.