Ecco - Track II Plain Toe High (Black Leather/Black Oiled Nubuck) - Men's: Specially developed waterproof felt GORE-TEX(R) membrane that keeps your feet dry and at the same time allows them to breathe. Newly developed fiberglass shank that secures stability in the heel and provides extra comfort. Strong and hardwearing full-grain leather and oiled nubuck uppers. Insole with textile/felt with perforated EVA which ensures good air circulation.