So classic and consistently comfortable, the Boston clog has become a coveted, year-round favorite. Soft suede lends an effortless feel to the style. Complete with an original BIRKENSTOCK footbed that shapes to you for the ultimate in all-day support. Contoured cork-latex footbed creates custom support with wear Classic suede upper Suede footbed lining helps keep you comfortable EVA sole is flexible and lightweight Adjustable strap with metal pin buckle Made in Germany Material:  Upper material: Suede Suede is a split leather with a napped finish. It has a velvety surface and is very soft to the touch. It also boasts a high moisture absorption capacity. Insole: Natural leather Natural leather can be recognized by its untreated surface. BIRKENSTOCK purposely does not treat surface grains and other characteristic features. BIRKENSTOCK uses sturdy leather with a thickness of 2.8 to 3.2 millimeters as upper material. Footbed material: Cork Cork is a sustainable material extracted from the bark layer of the cork oak. This natural product is insulating and offers very good cushioning. Outsole: EVA EVA (ethylene vinyl acetate) is a high-quality, very light, elastic material with extremely good cushioning. As a result, it smooths out slight irregularities in the floor and ensures that every step is softly cushioned. Protect your shoes with the Deluxe Care Kit here!