Product Information for MephistoProduct Description Love your look with the Grobina featuring elastic straps, soft leather lining, and leather-covered Air-Jet removable insole. Soft-Air® flexible midsole contributes to the soft, comfortable walking experience with 100% caoutchouc rubber outsole is very durable yet light and flexible. Fit: True to Size Insole: Leather Outsole: Rubber Upper: Nubuck