A quick check of the weather indicates that it's currently chilly in Paris, but not abnormally cold. Still, it looks like Moss is prepping for another one of those Polar Vortex things that plagued us all last winter (not that we can blame her — we still have PTSD).
It's a great partner to the midi-length dress worn underneath, because the print just barely peeks out from under the fur. Paired with black tights and black platform oxfords, it's very "Moss goes to the Mountains." And, hey, it's a steep climb to the front row.