The trainer upper is crafted with 40% recycled polyester, created by reprocessing existing materials. Recycled blend and bio-based faux leather upper. Saffiano and smooth textures. Recycled blend comfortable foam insock. Recycled blend polyester lining. Natural rubber outsole. Logo lacing tags. Heel height: 4.1cm/1.6in. Calvin Klein all-over monogram logo print. Runs true to size. Country of origin: China. Colour: black