Experience the ultimate running companion with the X-BIONIC® COREFUSION RUN TANK. Designed to keep your core body temperature at the performance-optimal 37°C, this tank is a game-changer for runners. It's not just a tank top, it's a personal performance enhancer that lets you push your limits. Our ground-breaking CoreClimate® zone delivers unrivaled thermoregulation, saving your resources for when you need them most. Whether you're running in the cool morning air or the heat of the afternoon, this tank will keep you comfortable and focused on your run. The HygroDiffuser® with VectorSphere® is a marvel of engineering. This highly sensitive sweat-wicking base is combined with innovative 3D knitted channels to create air pockets. These pockets retain body heat in the absence of sweat, keeping you warm when it's cool. And as you heat up, they trigger a cooling response by dispersing sweat across a larger surface. The X-BIONIC® COREFUSION RUN TANK is more than just a piece of clothing, it's