Birkenstock Men's Arizona Slide Sandals,Gold,40 EU (7-7.5 M US Men / 9-9.5 M US Women) Leather / Nubuck / Suede 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 Birkenstock soft footbed; a cork and jute support system that molds to each individual's footprint Foam layer between the suede footbed liner and cork offers cushioned comfort