- Be kind to your feet with these Acorn Women's Moc Slippers. A moisture-wicking liner keeps skin dry, while a cozy upper provides the warmth feet need when the windows frost over. Featuring a lofty Acorn memory-foam midsole over a comfort cushion layer of featherweight EVA. In addition, the enhanced, raised heel and arch add extra stability and support. Non-slip, weatherproof soles make them perfect for indoor/outdoor use.