The slider upper is crafted from 87% recycled polyester, created by reprocessing existing materials. Recycled blend LYCRA® upper. Recycled polyester lining. EVA comfort lug outsole. Heel height: 3.5cm/1.4in. Contoured ergonomic footbed. Calvin Klein embossed logo on the strap, heel and footbed. Runs true to size. Country of origin: China. Colour: white