Swix HF4BWX is an excellent race wax for high performance skiers looking for the ultimate in glide in extreme cold temperatures. This wax works very well in very cold snow, man-made snow and in very dry conditions. HF4BWX can be used alone or as a base wax with Cera F Cold Powder. Recommended Iron Temperature 311F, Can be use Alone or as a Base Wax for Cera F Cold Powder, Snow Temperature: Extreme Cold, Actual Temperature Range: 10 to -26F (-12 to -32C), Wax Form: Block, Composition: High Fluorocarbon, Size: 40g, Model Year: 2020, Product ID: 496873, Model Number: HF04BWX-4, GTIN: 7045951823479