- 24Ss new Prad* triangular logo toe-toe fur half-slip mules. These mules are made of cow leather and lined with wool, presenting a modern and versatile silhouette. The upper is decorated with an enameled triangular metal logo, and the rubber-textured sole is The whole design adds a casual and sporty atmosphere. The upper is polished cow velvet, the lining is wool, and the sole is rubber. The size is 35-39 (customized 40, 41, non-returnable),, prada, cowhide