http://www.backcountry.com/store/group/179/b100000068/Mountain-Hardwear-55-to-30-Degree-Synthetic-Bags.html Backcountry.com Q&A postings en-us Sat, 17 May 2008 16:10:41 GMT service@backcountry.com (Backcountry.com Customer Service) 60 http://www.backcountry.com/store/MHW0644/Mountain-Hardwear-Ultralamina-32-Sleeping-Bag-32-Degree-Synthetic.html?CMP_ID=QRSS_6650#question_6650 Mountain Hardwear Ultralamina 32 Sleeping Bag: 32 Degree Synthetic<br /><br />What is the difference between the lamina and the ultra lamina?<br /> question_6650 Sat, 17 May 2008 16:10:41 GMT