BIRKENSTOCK/Birkenstock ISIS/Isis Women's Sandals The ankle strap that wraps around the ankle is attractive. You can adjust the height and width of the instep and the ankle to your size with the belt. It's easy to match with skirts or pants styles, so your outfit will look great. Material Upper: Birko-Flor (synthetic leather) Insole: Leather insole Footbed: Natural cork Outsole: EVA (ethylene vinyl acetate / EVA resin) Color: Red Size: 38 24.5cm Width: schmal (narrow width) ... Narrow width (for women with regular width feet) Used 3-4 times and stored with care. Currently, official sales have ended.