Birkenstock Unisex Lutry Suede ClogSize Chart 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 Birkenstock's 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