Polar Feet Men's Perfect Mocs Slippers polyester Cozy fleece outer and lining provide warmth and comfort. Memory foam insole with an additional 5mm of EVA under the heel. All natural suede outsole is easy on floors and is non slip too. Sizes: S (7.5-8.5), M (9-10), L (10-5-11.5), XL (12-13) Washer and dryer safe. Imported.