Leather upper and lining Leather foot bed Velcro fastening with adjustment Hand stitched for greater flexibility Durable but light weight PU outer sole Josef Seibel is known as the European comfort shoe, they have been making footwear for over 130 years and is still to this day in the Seibel Family. Using quality leather and components each pair is finished by hand. Stylish, incredibly comfortable and very durable. Debra 19 is all leather upper, lining and foot bed. The upper is hand stitched do the sole offering greater flexibility and increased wear. Debra is flexible and durable with a PU outer sole. With plenty of adjustment from the two velcro fastening straps you are sure to get a good fit.