Birkenstock GIZEH women Flip flops / Sandals (Shoes) in Brown Leather, Available in women's sizes. 2.5,3.5,4.5,5,5.5,7,7.5. Upper: Birko-Flor, a very soft and durable material exclusive to Birkenstock Midsole: Cork and Latex support arch Protective edge for toes Deep heel shell Vegetable tanning (without chrome)