G-Comfort Shoes & boots are designed in Germany for lightweight and flexible comfort. H-151 slippers are crafted in luxurious sheep skin and feature cushioning and removable insoles - perfect for custom insoles. Crafted of Navy suede leather with wool lining and man made soles, this style offers style, comfort and a wide fit. Upper Material: Leather Fabric, Lining-sheep skin Material: Leather, Sole Material: Man made, Removable Insoles: Yes, Width: Wide fitting.