Navy Slippers Standard Grosby Kathy is an iconic silhouette that will keep your feet warm in cold winter days ahead. This Slipper can be worn inside or outside as the nonmarking outsole offers the opportunity to protect your feet against the cold. Kathy is a no-fuss slipper designed to help your feet stay snug when the mercury drops. With its synthetic fleece lining keeps toes warm in winter and sturdy outsole for trips to the letterbox and back it becomes the ideal round-the-house indoor shoe. Features . Nonmarking TPR Outsole . Memory Foam Insole . Invisible Arch Support . Velo Upper/Faux Fur Upper and Lining