tree stand hunting? If so i wear a fleece outer layer. predator camo has been good to me. Whitetail are the crack heads of the forest and will hear anything. fleece keeps things as quiet as possible.

I would not wear anything other than fleece in late season a mature buck could hear a feather drop on those cold still mornings.
I own lots of KUIU gear and that is not quiet enough for sitting in a stand in the late season, I may wear my kuiu pants to hike in , but the fleece goes over the top