Reef Mid Seas Sandals Black/Blue, , Upper: Textile, Outsole: Rubber, Reef Mid Seas, Woven Polyester strap, Reef-flex triple density EVA construction, Anatomical arch support, High density EVA outsole, These Mid Seas Reef sandals are perfect for sand and water, with its triple density EVA outsole and anatomical arch support. ***PLEASE NOTE*** Reef ladies footwear sizing does come up slightly on the small side so please bear this in mind when ordering your size. ,