Muk Luks Women's Micro Chenille Slipper Bootie (XL, Black) Polyester Imported Synthetic sole Washable- These are easy to wash SoftOnes- These slippers are made of super soft SoftOnes material Insoles- Muk Luks insoles provide support or your feet Easy on- These slippers are easy on and off TPR sole- The TPR sole means you can wear these slippers inside and out