Your base layer is the single most important garment on the mountain because it directly touches your skin. Made from a blend of polyester and Cocona, this long-sleeved top is soft and comfortable, with just enough weight to handle frigid days. It's quick-drying, odor-resistant, and feels perfectly broken in the first time you pull it on. Buy two. [$60; eddiebauer.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
What's on John Slattery's Mind
Willem Dafoe's Life Advice
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