This may be a good sleeping bag for some DIY projects

http://www.amazon.com/Suisse-Sport-A...0253187&sr=8-1

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http://www.amazon.com/Suisse-Sport-Adventurer-Ultra-Compactable-Sleeping/dp/B001TR7QZA/ref=sr_1_1?ie=UTF8&qid=1310253187&sr=8-1