The sandal upper is crafted with 100% recycled nylon, excluding trims. The recycled nylon in this product was created by reprocessing existing materials. Padded recycled nylon webbing upper. Recycled blend foam insock. Recycled blend and bio-based faux leather lining. Rubber outsole. Platform height: 10.8cm/4.3in. Adjustable ankle strap. Calvin Klein tonal logo on the strap and midsole. Runs true to size. Country of origin: China. Colour: natural