X-bionic is a young company. But even that didn't stop it from working its way up to the absolute pinnacle of functional clothing in a short time. It is more expensive, but you will know the difference as soon as you put it on. It won't take you long to understand why the brand has won countless awards. Warms you when you're cold and cools you when you sweat, is a slogan that in this case, unlike other thermal underwear, really works. If you also want to find out how technologies that at first glance seem to be from another world work, try X-bionic.