Stuffing the body seems like a good idea.. but it’s bulky and I’m not sure how to do it. want to make a kitten sweater without stuffing? an easy way would be to use crochet thread instead of yarn.
http://answers.yahoo.com//question/index?qid=20120827163937AALJy3i
How do you make a baby plush toy out of puff… (long question)