Underfoot, high-density foam cushions the sherpa fleece-covered footbed for walking and standing comfort: an EVA heel wedge enhances stability and support. Material: Wool, Fleece.Keep your toes cozy morning and night with the sweet Acorn Dara slippers. Microfleece lining helps wick away unwanted and unhealthy moisture from feet.Flash pricing.Customer-approved. This women's mule has a plush Italian wool-blend upper in a playful striped pattern, topped with a leaf-shaped applique detail.. The Acorn Dara slip-on mule slipper has a microfleece lining and an indoor/outdoor synthetic cupsole-pattern outsole for sure traction, even if you journey no farther than the end of the drive