Create unique house slippers for women by adding your unique touch to a comfy staple. Each slipper is made 100% with soft, comfy flannel fleece fabric while the outer sole is flexible, anti-skid, and delivers higher durability along with a better grip on shiny floors. Each pair comes with removable insoles, making possible the use of custom foot orthotics..: Material: 100% polyester outer-layer and lining.: Black rubber sole.: Removable insole