Crisscross straps with the comfort to match. The Kumba's delicate, style-forward design is set apart by an adjustable ankle strap, giving you extra security and a fit that's just right. Nubuck leather lends a soft feel to the upper plus all the durability you expect from an on-the-go style. Featuring an additional foam layer for cushioning, the Soft Footbed offers extra comfort plus contoured support. Cushioned BIRKENSTOCK Soft Footbed creates custom support with wear Nubuck leather upper Suede footbed lining helps keep you comfortable EVA sole is flexible & lightweight Two straps with individually adjustable metal pin buckles; ankle strap Made in Germany