If I did shirts, or sweatshirts, these would be 100% cotton. I am wondering if I am CRAZY to try and do this type of thing so quickly, before the LLLI conf July 3. Kathleen Kathleen B. Bruce, BSN, IBCLC co-owner Lactnet,TLC, Indep. Consultant http://together.net/~kbruce/kbbhome.html LACTNET Archives http://library.ummed.edu/lsv/archives/lactnet.html