The Solda F15 Medium Fluor ski wax contains a lower proportion of fluorine making it ideal as a performance training wax. With the same temperature ranges as the Solda F31 range, you're able to find a F15 option to suit all conditions. For the days you really want to fly, use F15 as a base wax for pure fluoro race additives.  Features: Snow temp: -2 to -10°C Air temp: -4 to -14°C Relative humidity: 30-60% Weight: 180g Colour: Violet F15 Medium Fluor Ski Wax 180g - Violet