New fallen snow -12°C to -25°C (10°F to -12°F). Old fine grained snow -15°C to -30°C (5°F to -22°F). As the name indicates, this is hardwax made for the coldest conditions. Frequently used in the polar regions of Europe and North America.
The V-Line of hard kick-waxes is made for racing and recreational skiing. Their quality is very high due to fully refined petroleum waxes, synthetic rubbers and pharmaceutical quality oils.