Composition. Upper. 20% Polyester. 80% Polyurethane. Lining. 90% Polyurethane. 10% Polyester. Sole. 100% Rubber. Care. Do not submerge in water. Leather/ patent leather/ antic leather - wipe with a dry cotton cloth. Suede/ nobuck leather - clean with a soft brush or a hard sponge. Leather - uncolored waxes or creams can be used. Suede/ nobuck leather - can be protected with treatment sprays or anti-dust sprays.