The Hue Fabulous Feet Microfiber Liner - 4 pack 12960 keeps your feet feeling fabulous with microfiber shoe liners in a special bonus pack. Made of soft nylon/spandex with silicone at the heel for non-slip wear. Hue's Fabulous Feet Microfiber Liner - 4 pack comes in sizes S/M for shoe sizes 4-7 and M/L for 7-10.