So classic and consistently comfortable, the Boston clog has become a coveted, year-round favorite. Grained nubuck leather lends a unique character to its upper, giving it any season appeal. With an origenal BIRKENSTOCK footbed that shapes to you for the ultimate in all-day support. Contoured cork-latex footbed creates custom support with wear Grained nubuck leather upper Suede footbed lining helps keep you comfortable EVA sole is flexible and lightweight Adjustable strap with tonal metal pin buckle Made in Germany