Birkenstock Lutry Premium Suede Clogs. Thoughtfully designed to give you two ways to wear, the Lutry clog is endlessly versatile. A convertible backstrap gives you added security when you need it, and flips up when you want a more relaxed look. It's all grounded in our original contoured footbed for the ultimate support. Contoured cork-latex footbed creates custom support with wear. Classic suede upper. Suede footbed lining helps keep you comfortable. Grippy rubber cork blend sole. Convertible backstrap with adjustable metal pin buckle. Imported.