X-BIONIC Twyce Race: double the cooling, double the performance. With the innovative Twyce technology, these close-fitting arm sleeves help your body with natural temperature and moisture management. The Y-shaped elements of the Twyce system enhance cooling in critical areas, while the muscles experience reduced fatigue through partial compression, allowing you to endure longer. The Neuro-Response bandage applies targeted pressure to muscular trigger points, optimizing their ability to contract – ideal conditions for pushing your limits during sports. The X-BIONIC TWYCE RACE ARM SLEEVES keep you cool, ensuring your comfort while running – whether during a marathon or on the trail.