éLadies Gizeh Birko-Flor Flip Flop from the Spring/Summer 2015 collection from Birkenstock. Thong style with Birko-Flor® uppers designed for casual or formal attire. Features cork/latex footbed, leather lined insole, adjustable strap and shock absorbing EVA sole. Upper Birko-Flor® Lining Suede Sole EVA Fastening Single Strapé