Marmot Wraptor 30 Review: Zipper-Free Comfort Put to the Test A Trail Tested Gear Review by Sierra Rec Staff The Marmot Wraptor 30 promises to eliminate one of the most irritating parts of sleeping in a traditional mummy bag: the zipper. Instead of sealing you inside with a long side zipper, the Wraptor uses overlapping flaps, snaps and a low-profile magnetic closure to create a ... Read more The…