Handmade in Italy with italian leather. Vegetable tanned: chrome and nickel free. Vestibility: regular medium width. Grounding sandals: the sole of our sandals is made in only leather. Our sandals are made in European fit and marked european size. Please check the following size chart to know which european size you will get: 6 US=>39 EU, 7 US=>40 EU, 8 US=>41 EU, 9 US=>42 EU, 10 US=>43 EU, 11 US=>44 EU, 12 US=>45 EU, 13 US=>46 EU