Backcountry.com - Mountain Hardwear Bivy Sacks http://www.backcountry.com/store/group/216/b100000068/Mountain-Hardwear-Bivy-Sacks.html Backcountry.com Q&A postings en-us Fri, 11 Apr 2008 15:26:04 GMT service@backcountry.com (Backcountry.com Customer Service) 60 Should you use a tarp with this or is it durable enough to just... http://www.backcountry.com/store/MHW0077/Mountain-Hardwear-Conduit-SL-Bivy.html?CMP_ID=QRSS_3696#question_3696 Mountain Hardwear Conduit SL Bivy<br /><br />Should you use a tarp with this or is it durable enough to just be out in the open? question_3696 Fri, 11 Apr 2008 15:26:04 GMT