Next generation of Rex fluoro-free race glide wax, NFX is a step up from the NF-Series. The NFX-Line of powder use a handful of new Rex technologies to speed up fluoro-free waxes such as micronized Power Polymers, and N-Kinetic Level 3 (increased glide properties and dirt repellence). NFX 00 SISU Black is designed for new snow conditions where extra durability is required. Whether you use it as a top coat or underlayer, this UHW wax will keep your skis gliding through that long race!