My Idea for an improvised backpack would use a pair of old pants and some rope
Cargo pants or BDU pants work well as they will have external pockets you can use for smaller things
the idea is to make a pack similar to a Veshmeshock http://wp.me/p1Ff3c-h3
Take the pants and lay them out legs facing down
tie the legs together and closed with a small piece of rope
Tie another longer rope that will form the straps to the first small piece with a large gap
Fill with stuff …
tie top like Vesh ….
and now you have rope and a spare pair of pants for no extra weight
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Friendly fast and cheap doesn’t get better than that .
they have more than they list so don’t be scared to ask for more stuff …
best is the Back Pack/Webbing Combo http://www.tentpro.co.za/surplus/Army_back_pack_combo.html
||R570.00 including vat that’s like $60 for everything a soldier needs in a back pack and webbing