Oliver is a superbly comfortable slipper with a rubber sole. It features a super soft padded lining for cozy and comfortable feet. This slipper is fully adjustable with a touch-and-close fastening and K-L width fitting for extra room. The closed back supports the entire foot, and the strap adjustment makes them easy to slip on and off. Uppers: Textile, Lining: Textile, Sole: Other, Fastening: Riptape, Fitting: K/L (Super Wide).