I think i read somewhere that they were an experimental pattern
According to this website
http://arniesairsoft.co.uk/news2/10493 - 'the jackets used were extremely rare prototype camouflage garments developed during the later part of World War 2'. Apparently they had the designation of M45. Of course this begs the question of why bother using a rare prototype camo pattern, which wasn't even available when the film is vaguely set, instead of an easily obtainable one which was. But since the film is entertaining, but totally nonsense, its best not to think about it. In fact, according to this thread
http://www.wehrmacht-awards.com/forums/showthread.php?t=188636&highlight=eagles+dare&page=11 they might have been made for the film anyway, and so were not original.
Here is the Extreme 'Where Eagles Dare' jacket:
And the Standard Splinter Pattern jacket - the real thing is in a previous post
and then a decent repro:
You pays your money, you takes your choice. But life is the art of the possible, and since the film version was basically non existant anyway, and certainly is now, the nearest to what might have actually
been worn isnt a bad compromise.
Now I'm going to have to check out 'The Eagle Has Landed' jacket as well. I'm beginning to worry how much time I'm spending on this...