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The backpacking bags are designed to minimize weight, while the sleeping bags intended for camping will be all about providing comfort. Generally, these bags are wider, cushier, softer and more affordable than the backpacking alternatives. The following will give you an idea of what to pay attention to when shopping for a sleeping bag.
from: http://ezinearticles.com/?The-Importance-Of-Sleeping-Bags-When-Backpacking&id=5910788
