If keeping it cool, caL M and subtle is your style, the light grey Muk Luks Andy Slipper is more than perfect for you! The combination of neutral and pattern knits make it easy to wear. The Muk Luks Andy Slipper all day long. These slippers come in S (8-9), M (10-11) and L (12-13). Hand wash in cold water and air dry. Imported. Material: Acrylic Knit, Polyester Faux Fur, Polyester.