Toko's System 3 Yellow/Red Hot Wax set features two high-grade hydrocarbon ski waxes commonly used for extreme low humidity racing or on aggressive man-made snow. Great for training in all conditions or as a base prep/cleaner for maintaining ski bases and managing fluoro build-up. Yellow wax works well in temperatures ranging from 32 to 25 degrees Fahrenheit and Red wax works well in 25 to 14 degrees Fahrenheit. Can also be mixed with each other. For all disciplines.