Have you retired from camping? Have you upgraded to a more awesome bag? Bags with broken zippers? Torn or otherwise busted up a bit? Mummy or rectangle are fine. A medium temperature range would be ideal for now -- like 30-50F. I'm looking to experiment making my own underquilt for hammock camping. Ideal specs: packable and lightweight (not a "car camping" bag, made with canvas or flannel -- the chunky, heavy kind). I would LOVE a down bag. Synthetic is cool, though. Let me know what you have. For good quality gear I can trade Bags of locally roasted coffee (Commonplace!) Growlers of East End Brewing Co. beer (Pedal Pale!) Time weeding in the garden or shop vaccing your car or some such thing If multiple sleeping bags come my way, I can probably use them! I have hammock friends.