Model: 8555 CLOUD 9 Upper: Suede Leather Lining: Leather Fastening: Lace Up Removable insole Cloud 9 Negev Suede Leather Shoe. Made with suede upper and leather lining. Lace up fastening for easy on and off. A superlight rubber sole. Removable footbed, suitable for orthotics. Boot sits on slip-resistant, comfortable and flexible rubber sole. Cloud 9 shoes are extra flexible, made with only the best materials and deliver all day comfort for your feet. Perfect for everyday casual wear.