In the heart of winter, when the thermometer flirts with sub-zero temperatures, the X-Bionic Radiactor 4.0 men's thermal t-shirt becomes your ally of choice. Whether you're on snowy slopes or on a winter hike, this base layer envelops you in comforting warmth. It's like having a cozy blanket while staying free to move.
Thanks to its innovative technologies, this t-shirt uses the patented 3D Bionic Sphere® system that cleverly regulates your body temperature. It keeps you warm without overheating, much like a smart thermostat. And with ThermoSyphon® technology, moisture management is optimized, allowing you to stay dry even during intense activities.
Finally, comfort is ensured with its ergonomic fit and stretch fabric. The X-Bionic Radiactor 4.0 is designed to adapt to every movement, perfectly hugging your body. It's a bit like wearing a second skin, but with added thermal superpowers!
63% polyester 32% polypropylene 5% elastane