I don't have a photo, but I've seen quilts made of a polyester double knit fabric. These quilts are very warm. There are many photos of t-shirt quilts. Those are made to show off the logo on t-shirts, but they are made of fairly thin cotton knit fabrics, usually mixed with quilting cottons. For these, it is recommended that you use iron on interfacing on the back of the t-shirt knits. I've seen fleece used in quilts, too. It can be quilted or used in rag quilts.
With wool, it could be felted and used for decorative items. I've never done this, but others on the board probably have.