Size: 40, KOWAYI slippers for women and men, closed slippers, barefoot slippers, non-slip Fenquan-40 slippers. These slippers are made of highly elastic high-quality mesh fabric for durability. The breathable mesh outer material keeps your feet cool and comfortable all year round. They feature a soft and breathable sponge insole for added comfort. They are like plug socks and their non-slip sole offers excellent grip and traction, providing stability and safety for daily use at home. In addition, they are foldable and suitable for yoga, dance, travel, and other leisure activities both indoors and outdoors.