No Fur Ethylene Vinyl Acetate sole Platform measures approximately 2 Normal fit Comfortable and light EVA Shock Absorbing Sole Normal footwear. The BIRKENSTOCK Gizeh flip flop is a true classic. This model which, once worn, reminds of the lightness of cork sandals, is made of particularly light and very flexible EVA material. The high-quality, odourless and pollutant-free EVA plastic combines many positive properties: it is very light, extremely elastic, shock-absorbing, skin-friendly, and ensures the usual fit. BIRKENSTOCK.