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).