Acorn Polar Moc - There is nothing icy about the Polar Moc slipper from Acorn®. Warm Polartec® fleece uppers feel great against your bare skin. Soft microfleece linings aid in drawing moisture away from your feet. Acorn memory foam midsole helps absorb shock to reduce foot fatigue. Full-length EVA footbed guarantees total comfort and therapy. Enhanced heel is raised to provide increased stability and support. Suede sidewall helps protect your feet and the slipper for extended wear.