Size 36, size 5 US. Sole: 3 mm thick in black, durable and elastic puncture-proof TPU (thermoplastic polyurethane). Upper: Upper in high quality black nubuck leather. Slip-on model. Luxurious leather footbed. The inside is made up of the back of the leather. Dressed with natural colored leather inside the heel cap. At the front of the toe box is a lining in recycled PET microfiber for extra softness. The logo embossed on the outside of the back cover. Use: For parties, leisure, work, summer parties, sun vacations, indoors. Instead of pumps. So very simple and nice!