Outer Composition Calf Leather: 100.0%, Sole Composition Other Fibres: 21.0%, Outer Composition Recycled Polyester: 100.0%, Lining Composition Recycled Polyester: 100.0%, Outer Composition Calf Suede: 100.0%, Sole Composition Silica: 25.0%, Sole Composition Rubber: 30.0%, Sole Composition Synthetic Rubber: 24.0%