The trainer upper is crafted from 100% recycled polyester, excluding trims. The recycled polyester in this product was created by reprocessing existing materials. Metallic recycled polyester upper. Recycled blend comfortable foam insock. Recycled blend polyester mesh lining. Rubber outsole. Bold tread design. Calvin Klein logo on the side, tongue and heel. Runs true to size. Country of origin: China. Colour: grey