Lining Composition Calf Leather: 100.0%, Sole Composition Other Fibres: 19.0%, Trims Composition Recycled Polyester: 100.0%, Outer Composition Calf Suede: 100.0%, Sole Composition Silica: 26.0%, Sole Composition Rubber: 50.0%, Sole Composition Synthetic Rubber: 5.0%