Oliver is a superbly comfortable slipper with a rubber sole. They have a super soft padded lining to sink your feet into, keeping them cosy and comfortable. They are a fully adjustable touch-and-close slipper with K-L width fitting for that extra bit of room. The closed back supports your entire foot and with the strap adjustment, they are easy to slip on and off. Uppers: Textile Lining: Textile Sole: Other Fastening: Riptape Fitting: K/L (Super Wide)