Sole Composition Silica: 23.0%, Outer Composition Calf Suede: 100.0%, Sole Composition Rubber: 40.0%, Sole Composition Fabric: 16.0%, Lining Composition Recycled Polyester: 100.0%, Sole Composition Recycled Rubber: 10.0%, Sole Composition Synthetic Rubber: 11.0%