Original Mid War Gebirgsjäger Rucksack original but it is a neat

but it is a neat example

I wear a 38-40 and it is a good to slightly tight fit

the thermos or its military use as an additional charge container

some are certainly original but some look to me like later embellishments

Original Mid War Gebirgsjäger Rucksack original but it is a neatNice original mountain back pack. It has both the lower straps that are frequently missing. No belt, No ditty bags. It is used, but in pretty good condition. The inside pocket has holes, probably from various pointy Gebirgs tools poking around inside. Both side thermos pockets have some loose threads around the seams of the flap. It has an R. B. Nr. on the back. The thin black tabs used on the lid, along with some other construction details, date this