The trainer upper is crafted from 100% recycled polyester, excluding trims. The recycled polyester in this product was created by reprocessing existing materials. Recycled polyester logo jacquard upper. Recycled blend comfortable foam insock. Recycled polyester mesh lining. Natural rubber outsole. Logo lacing tag. Calvin Klein raised logo at the heel. Runs true to size. Country of origin: China. Colour: blue