UNIVERSAL FLOPS MADE PARTLY OF PARLEY OCEAN PLASTIC. There is no bad time for slippers from the adidas by Stella McCartney collection, and their minimalist, sophisticated design makes them suitable for any occasion. Enjoy comfort at any time. Thanks to the Cloudfoam sole lining. The upper of these shoes is made from high-quality recycled yarn that contains at least 50% Parley Ocean Plastic, a plastic made from recycled plastic waste collected from remote islands, beaches and seaside towns to prevent ocean pollution. The remaining 50% of the yarn composition is recycled polyester.