Rubber sole, easy to convert from winter to summer,  Comes with Winter Socks Elastic good, feel very soft. Tiny particles on the slipper upper, Can increase the friction between the feet and the shoes. While massage the soles of the feet. High-quality non-slip material and sole increase the malleability of the shoes and increase the friction between the shoes and the ground. Concise style and solid design is well suited for a variety of occasions. Lightweight durable PVC material can bending flexibly and very easy to clean Casual style perfects for all season and occasions, home slippers, house slippers, indoor bedroom, bathroom, living room, swimming pool, beach, SPA, Leisure, public showers, steam rooms, dorms, camps, hotel locker rooms etc.