Sole Composition Silica: 26.0%, Leather: 100%, Outer Composition Organic Leather: 100.0%, Sole Composition Rubber: 50.0%, Inner Composition Rubber: 11.0%, Trims Composition Organic Cotton: 100.0%, Inner Composition Organic Cotton: 5.0%, Sole Composition Other Materials: 19.0%, Inner Composition Other Materials: 26.0%, Lining Composition Recycled Polyester: 100.0%, Sole Composition Synthetic Rubber: 5.0%