Winter hat with ear-flaps for Heer or SS. Natural white fur of a bunny. Feldgrau cloth. The cupola has extra insulation. The cupola is made like German cap, this differs the cap from Soviet model.
Used hat (not new). Size is only 57 (single). Such caps can be stretched to 1-2 sizes on a special device. You can do it yourself.
Winter hats reached front privately and from winter 1942/43 centrally as a part of winter uniform. There were a lot of winter hat variations, any fur could be used. Usually German hats were notable for their cupola form: the most often it was cap shaped, more seldom — spheric (like head).