I have one SIL who quilts and she has made several one patch denim quilts, often using pockets from the jeans as well as the remaining fabric from her children's jeans. She used a flannel backing and tied them. I can say from experience that these are very warm quilts, although somewhat heavy. When one of my brothers passed away, she helped my other SIL to make quilts for all 4 of their children from my brothers denim clothing so that they each would have something from their father. I thought it was a very nice thought and so did my niece and nephews.