The new Rex RG series is the next step in the evolution of World Cup Racing category of Rex glide waxes. With the RG-series we are launching our N-Kinetic Level 2 hydrophobic technology, which has been under development since 2018. Rex N-KINETIC(TM) level 2 hydrophobic technology offers superior fluor-free performance in all skiing conditions. In all glide tests, the performance of of the RG series has met expectations for World Cup level racing under the no-fluoro ban. Rex N-KINETIC(TM) 2 is non-toxic, dirt-repellent and ultra-fast! A race level fast fluor-free wax for very cold snow Operating range of -8 to-20AdegC Melts at iron temperature 140AdegC 40g block Extremely hard and durable A fluor-free version of HF31 block, that has been upgraded with N-Kinetic level 2 additives Very hard when cooled, best to scrape gently while still warm