The boot upper is crafted with 60% recycled cotton, created by reprocessing existing materials. Recycled blend cotton canvas upper. Comfortable foam insock. Cotton lining. Ultralight EVA outsole. Heel height: 3cm/1.2in. Shaft height: 13.7in/5.4in. Pebbled leather trim. Calvin Klein signature logo on the side and tongue. Runs true to size. Country of origin: China. Colour: natural