The espadrille upper is crafted with 70% recycled polyester, created by reprocessing existing materials. Recycled polyester and natural rubber upper. Recycled blend comfortable foam insock. Recycled blend and bio-based faux leather lining. Rubber outsole. Heel height: 9cm/3.5in. Calvin Klein tonal branding on elasticated strap. Runs true to size. Country of origin: China. Colour: natural