Fibr-X features proprietary cross section designs that wick and transport moisture while promoting a superior evaporative process without chemical additives or treatments. While Fibr-X performs on par with Coolcore, as a single extruded fiber it reduces manufacturing time and materials. Fibr-X yarn can be woven with other natural and synthetic fibers to create fabrics with additional performance characteristics. The evolution of Coolcore’s single yarn innovation gives our manufacturing partners more flexibility than ever before to create innovative garments, accessories and fabrics with all the Coolcore technology benefits.