Ethylene Vinyl Acetate sole Normal footwear. BIRKENSTOCK Gizeh flip flops is a real classic. This model that, once worn, recalls the lightness of the cork sandal, is made of particularly light and very flexible EVA material. The high-quality EVA plastic, odorless and free from harmful substances, combines many positive characteristics: it is very light, extremely elastic, shock-absorbing, dermoaffine and ensures the usual BIRKENSTOCK fit.