I don't know how "green" this truly is, according to this article they use polymers to process it LOL but here an article explaining about soy batting/fabric :D:D:D
http://www.fiberco.com/information_l...mation_soy.htm
and on the care of 50% cotton/50% soy batting
http://www.fiberco.com/care/soft_soy/soy.htm