For the BDU suggestion.

I bought a pair of Rothco brand BDU pants in blue.

I did a review of them on my blog. I did not get a perfect pair.

http://ilbob.blogspot.com/2012/01/rothco-bdu-trousers.html

But, they have held up well after I sewed all the buttons back on and work OK. But, I have never really been happy with them. Never have quite gotten used to the button fly.
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Warning - I am not an expert on anything having to do with this forum, but that won't stop me from saying what I think. smile

Bob