Germany has a good cold, snowy winter in most places. I lived there for 7 years in the 1970s.
For warmth, lightness, softness and drape, and ease of mailing, I'd strongly suggest Hobbs or Quilter Dream wool. It is so much more comfortable in cold, cool, and merely spring weather than 80/20 or Warm and Natural, in my opinion. I think polyester battings just make one sweat rather than keeping one warm!
They really shouldn't be used in quilts for tiny babies who still can't regulate their body temps well yet.
Jan in VA