Sole Composition Other Fibres: 16.0%, Lining Composition Recycled Polyester: 100.0%, Sole Composition Silica: 23.0%, Sole Composition Rubber: 40.0%, Sole Composition Synthetic Rubber: 11.0%, Sole Composition Recycled Rubber: 10.0%, Outer Composition Organic Leather: 100.0%