Boss Leather Monk Shoes with Double Strap pair polished cow-leather uppers with a classic double-buckle closure for refined business and formal wear. Key attributes: Black | Cow leather | Lightweight, durable outsole | Buckle closure | Fully lined | Double-strap monk styling | Branded buckles | Polished leather upper | Composition & care: Upper: 100% cow leather | Lining: 95% polyester, 5% polyurethane | Innersole: 95% polyester, 5% polyurethane | Sole: 100% thermoplastic polyurethane