<div>Just about all the manufacturers make bags that'll zip together. But Feathered Friends has another option: a Toucan groundsheet. It's actually a sleeve that holds two pads (Z-Rest or similar), which zips to a single bag that's opened like a quilt.
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<div>My wife is a cold sleeper, but we've been using a Toucan/Penguin combination for several years and she's stayed warm and toasty--for a lot less weight than two complete bags.</div>
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<div><a href="http://www.featheredfriends.com/util/toucan.htm">http://www.featheredfriends.com/util/toucan.htm</a></div>
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<div class="gmail_quote">On Jan 6, 2008 2:56 PM, Home <<a href="mailto:jeffreyn@sonic.net">jeffreyn@sonic.net</a>> wrote:<br>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid"><br>And, who makes a warm down bag which can be zipped together with another?<br><br><br></blockquote></div>