Birkenstock Men&#39;s Arizona Slide Sandals,Black,48 M EU / 15-15.5 D(M) US,Birkenstock" /> Leather / Nubuck / Suede cork sole Uppers are made of thick leather that's minimally processed; they're durable, breathable, and comfortable Suede footbed liner naturally wicks away moisture EVA outsole is lightweight, flexible, shock-absorbing, and repairable This style features the original Birkenstock footbed; a cork and jute support system that molds to each individual's footprint Contoured design provides firm arch support