- 24Ss new Prad* woven round block heel slippers. The simple and exquisite crochet pattern is laid out on this thick round heel slipper style sandal. The iconic Prad* metal logo decorates the shoe body. Upper: calf patent leather/woven shoe Lining: Sheepskin lining Sole: Italian leather sole Code number: 35-39 (40, 41 customized, non-refundable),