Men's BOSS by Hugo Boss Kirk Slides - Blue - Flip-flops Italian-made slides by boss crafted in lightweight rubber with a raised logo on the upper strap. Features:- Sole:other material. Lining:unlined. Packaging:dust bag. Fastening top:slip-on. Specifications:- Facing:40% Polyurethane 60% Polyester 100% thermoplastic polyurethane innersole:100% Polyurethane lining:20% Polyurethane 80% Polyamide quality:100% Polyester sole:100% Polyurethane upper material:100% thermoplastic polyurethane.