/NUO Youpian Wannian classic slippers are simple and fashionable, and feel super comfortable on the feet. They can be used for walking 20,000 steps a day. They are super versatile! 1. The upper is made of unique knitted fabric technology, and the counter process is restored in an all-round way. The midsole part is made of cowhide leather. Purchase the original version and develop it as a top purchasing agent for the highest quality! 2 The upper is made of original sheepskin leather, which is high-end. The inner lining is double-layered sheepskin