Polyester, also known as microfiber, is a synthetic fiber very commonly used in upholstery fabrics. It is soft, comfortable and very easy to clean. Polyester fabric is often blended with other natural or synthetic fibers generally to increase durability. Polyester upholstery fabric is an all around great choice for upholstery applications that comes in a variety of colors and designs with an expensive feel that is long lasting if cared for properly.