Swix High Speed waxes offer a bit more zip than the Performance Speed (PS) waxes. A blend of non-toxic, fluoro-free additives offer increased glide and durability. All glide waxes in this series have high performance and good durability. This makes them an affordable option for both competition and training. Ideal for training, racing or all-mountain ripping. Swix PS7 is an excellent wax for conditions just below freezing. Can be used as a racing wax in conditions with low air humidity.