These are a lighter wieght parka liner. They are 100% wool.Check out bjk09 for the heavier wieght liner. We offer them in charcoal gray as well as heather gray. The sewing done on them, today would be considered for very high end clothing. That is why Military clothes last forever, they are put together to last. The liners button closed at the center front. So they are great as jackets too.