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What's you hunting sleeping bag?
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<blockquote data-quote="Litehiker" data-source="post: 1037912" data-attributes="member: 54178"><p>Labs,</p><p></p><p>What actually happens not so much soaking wet down bags but "damp" down bags due to a buildup of perspiration that cools near the shell, condenses and dampens the down. Night after night more of the down gets wet, losing loft and insulation, actually conducting heat away.</p><p></p><p>Down DWR (Durable Water Repellant) like Down Tek and Dri Down keep this particular problem almost at zero, much like synthetic bags. More and more companies are beginning to use DWR treated down in bags and garments.</p><p></p><p>The best help I know of for down bags without down DWR is to put a thin synthetic insulated cover over the top and sides of the bag. Moisture collecting here can be mostly shaken out when it freezes IF the cover has a zippered opening on one end.</p></blockquote><p></p>
[QUOTE="Litehiker, post: 1037912, member: 54178"] Labs, What actually happens not so much soaking wet down bags but "damp" down bags due to a buildup of perspiration that cools near the shell, condenses and dampens the down. Night after night more of the down gets wet, losing loft and insulation, actually conducting heat away. Down DWR (Durable Water Repellant) like Down Tek and Dri Down keep this particular problem almost at zero, much like synthetic bags. More and more companies are beginning to use DWR treated down in bags and garments. The best help I know of for down bags without down DWR is to put a thin synthetic insulated cover over the top and sides of the bag. Moisture collecting here can be mostly shaken out when it freezes IF the cover has a zippered opening on one end. [/QUOTE]
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