BIRKENSTOCK. 1015487. HONOLULU EVA. BLACK. The BIRKENSTOCK Honolulu is a sporty thong sandal with a hexagon pattern. It s perfect for anyone who is looking in particular for function and comfort. Modeled on the cork sandal this sandal is made from especially light and flexible EVA. This high-quality odor-neutral synthetic material which has been tested for harmful substances is shock-absorbent waterproof and skin-friendly. It s therefore perfect for wearing at the beach in the garden or in wellness and spa areas.