Birkenstock 143941 Gizeh Gold Brown Birko-Flor - Regular Birko-Flor Synthetic sole Made in Germany Birko-Flor  durable, synthetic upper material with leather-like finish and soft backing Contoured cork footbed conforms to the shape of your foot and features pronounced arch support, a deep heel cup, and roomy toe box, lined with suede Lightweight EVA sole for cushioning and shock absorption Avoid extreme heat