Head out with one bag; return with two. This lightweight carry-on morphs from 48 liters to 95. How? Its front gear bag zips out to be used as a backpack, so you can overstuff when the occasion calls for it, or go simple for more rugged trips. A bathtub construction keeps your stuff dry. [$395; eaglecreek.com]
The 2014 Adventure Issue
From Iceland's Highway 1 to Utah's Canyonlands, an epic itinerary for modern explorers.
Plus: Building a Bigger Action Hero
ON NEWSSTANDS NOW
Duke Lacrosse and the Fog of Scandal
How Thailand's Most Notorious Prison Became a Fight Club
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