Birkenstock Unisex Arizona Sandal,Cortina White Leather,37 M EU Leather 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