Cocoon Egyptian Cotton MummyLiner Tuareg 100% Cotton Imported Egyptian cotton is a rare, long fibered cotton that is spun into a fine yarn. The result is a very lightweight and soft, yet durable fabric. Mummy Liners made of Egyptian cotton are substantially lighter and more compact than those of regular cotton. A great compromise between regular cotton and silk and ideal for the price conscious buyer who wants to buy an affordable, high quality product for his/her outdoor adventures!