Birkenstock Men's Arizona Slide Sandals,Brown,41 EU (8-8.5 N US Men / 10-10.5 N US Women) Leather / Nubuck / Suede Uppers are made of thick leather thats minimally processed ;theyre 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 individuals footprint Foam layer between the suede footbed liner and cork offers cushioned comfort