EVA is an upscale, ultra lightweight, elasticized and shock absorbent plastic. Uneven surfaces are balanced out, and all your steps are gently cushioned. The anatomically shaped Footbed delivers outstanding comfort, where as the odor free plastic is pleasantly soft and washable. With all these benefits EVA sandals are perfect for the beach, garden and leisure time. Birkenstock Madrid Eva Unisex Black - A One Clothing