Salomon Supercross 3 Gore-Tex - The Supercross 3 GTX is a waterproof trail running shoe that delivers what it promises. Strong grip ensures a secure hold and gives you power when pushing forwards and upwards. Thanks to the perfect fit, your heel won't slip. The SensiFitâ„¢ shaft comfortably envelops your foot. There is also a Gore-Tex membrane that keeps moisture away.