For pure competition Iron and wax used in World Cup. Thermoactive system supports temperatures from 0°C to -10°C -Effective in warm snow over 2 degrees Celsius with a thin coat of butter If the temperature is below -10 degrees Celsius, please use it with a lace bullet and PSYCHO, if the temperature below -15 degrees Celsius. It can also be used as wax if you are not able to read the situation. After hot waxing, chill at room temperature for 2 hours, make a crepe firm, and finish with a brass brush (or brass & horse hair combo). This wax is for NEWSNOW!