Not normally, but I wanted light weight, high loft, and flame retardant batting for a small child's quilt and the polyester was perfect. It was the only time I've used it and, in fact, I liked it so much, I might use more of it for lighter weight, fluffier bed and lap quilts. I know some people who don't like the weight of a quilt with cotton or 80/20 batting and can't sleep under them. I've never used wool, but it is so tempting.
To answer your question, Warm & Natural is not fluffy.