Birki Flow Big Kids EVA in Color Eggshell | BIRKENSTOCK US。Product Description The BIRKENSTOCK Birki Flow is a veritable classic that can easily be worn all year round. The large air inlets in the clog keep the foot climate permanently fresh. Modeled on the cork sandal, it is made from the ultra lightweight and highly flexible synthetic material EVA. The high-quality, odor-neutral EVA has been tested for harmful substances and combines numerous positive attributes: it is highly fashionable, light, highly elastic, waterproof, and skin-friendly. Anatomically shaped BIRKENSTOCK footbed made from EVA Upper: EVA Footbed lining: EVA Sole: EVA Details: waterproof, washable, ultra lightweight Made in Germany