how to clean your skis

(Photo: NordicFocus) What: Fluoros, aka perfluorinated waxes, aka ski waxes containing per- and polyfluoroalkyl substances (PFAS), aka the really expensive waxes that you put on for big races, in some or all of block, liquid, or powder form. What they do: Make your skis go really, really fast, particularly in the wet or dirty snow conditions that sadly characterize more and more high-end races in an era of artificial snow and climate change. What else...