Yes, they are. By definition, slippers are low, comfy slip-on shoes that are typically worn indoors. Therefore, they are also referred to as slip shoes, house shoes, sandals, mules, and clogs. Meanwhile, a typical outdoor shoe serves as a protective covering for the foot. Amongst the material construction varieties you can choose from when buying the best slippers for women or men include leather, cotton, suede, and many more. Your choice will mainly depend on which one you are most comfortable with and the place where you are wearing the pair.