Running, cycling or winter sports: With X-Socks®, youre always perfectly prepared for every athletic adventure. Whether you're a beginner or a pro athlete, our patented X-Socks® technology offers optimal support for any type of sport. Core is our beginner-level entry category into the world of functional performance socks. All Core-products offer fundamental functional features and the latest X-Bionic® technologywithout breaking the bank. If you want to enjoy a well-cushioned, optimally tempered foot during your favorite sport, then X-Socks® Core Sport are for you. Based on polyamide and polypropylene fabrics that allow for increased breathability and durability, X-Socks® Core Sport are perfectly suited for all of your athletic adventures. If you are looking for more advanced socks that are specifically tailored to your favorite sport, look into our Discover, Perform and Expert categories. Stay safe and protected: Light cushioning at the sole, compression zones and the Aktiv-Bund® pr