The Rex Sisu Black, a robust fluor free long-distance UHW race powder designed for new snow conditions. This versatile powder serves as an excellent final layer or can be used as an underlayer. Infused with Rex UHW - Ultra Hard Waxes, it exhibits exceptional durability. The powder form allows easy application using a waxing iron, providing the benefits of an ultra-hard and resilient wax blend. Formulated with NF-level micronized Rex Power Polymers New Snow wax blend, the addition of extra N-Kineticnanoparticles enhances its performance within the powder matrix. Tailored for new, cold, fine-grained, and mixed snow, as well as snow with higher humidity, Sisu Black is a specialized blend. In addition to the standard new snow additives found in Rex black waxes, Sisu Black incorporates extra nanoparticles for an added performance boost on new snow surfaces. Elevate your skiing experience with the durability and advanced technology of Sisu Black. Technical Features Snow temp: all temp Snow