I heard they run a 1/2 size small due to the lining. Information per Manufacturer: Ethylene Vinyl Acetate sole LIGHTWEIGHT COMFORT - XTRATUF Homer Sneaker deck shoes are inspired by Alaska commercial fishermen who prefer to step into a lightweight shoe during the down time when they aren't working the decks or when the fish aren't biting STYLE - Give your feet comfort and relief without compromising the style; These lightweight shoes can be kept in your house as the most comfortable slipper ever, or can be warn outside the home as a slip on that handles your on the go lifestyle RELIEF FOR TIRED FEET - Homer slip-ons provide all-day support anywhere you go. From your home office, working around your house or even taking a walk; XTRATUF Homer make the ideal indoor/outdoor shoe SOFT WOOL UPPER - These shoe features a soft wool upper with a full faux-shearling lining keeping you warm and cozy, while the molded EVA insole provides added comfort DURABLE OUTSOLE FOR INDOOR/OUTDOOR USE - The classic XTRATUF non-marking Chevron outsole delivers great slip resistance in this easy-to-wear step-in shoe. These casual slipper shoes not only look and feel great but also keep you safe and sure-footed