The slider upper is crafted with 83% recycled polyester, created by reprocessing existing materials. Recycled polyester LYCRA® blend upper. EVA outsole. Recycled polyester LYCRA® blend lining. Heel height: 3.5cm/1.4in. Contoured footbed. Padded strap. Hybrid sandal/runner outsole. Calvin Klein logo webbing with transparent overlay on the strap. Runs true to size. Country of origin: China. Colour: blue