Birkenstock Florida Flex Platform Sandals. Style and support on another level. The Florida sandal is updated in our signature Birko-Flor® material and given a lift from a flexible platform sole. Designed on a contoured footbed so supportive, you'll want to reach for a higher heel. Contoured cork-latex footbed creates custom support with wear. Birko-Flor® synthetic upper. Microfiber footbed lining. 1" flexible platform EVA sole. Three adjustable straps with metal pin buckles. Imported.