The Birkenstock Honolulu EVA Unisex Sandals is a sporty toe-post with embossed straps, crafted from lightweight and flexible EVA. Combining comfort with a modern design, it offers durability and easy wear. Ultra light, flexible and washable EVA upper. Soft EVA lining for comfort. Anatomically correct, soft EVA footbed. Effortless slip-on design for quick and easy wear. Flexible, lightweight and shock-absorbing EVA sole with bone pattern.