This product is made of genuine leather. The fit is standard in this model. You can buy your own size. The Exterior Is Genuine Leather. Inner Genuine Leather. The leather interior prevents odor and allows you to breathe. Sole: Poly Insole Height: 2 cm Durable and light poly sole. All Ducavelli products are guaranteed for 6 months. All products of Ducavelli, an English brand, are produced in Turkey. Orthopedic insole that takes the form of your foot as you wear it. Longlasting use thanks to the durable and light poly sole. Ducavelli Stan Men's Genuine Leather Slippers, Genuine Leather Slippers, Orthopedic Sole Slippers, Lightweight Leather Slippers, Closed Front Slippers.