What you should know: When it's warm or you're working hard on a hike, much of the time all you need is this insulating layer over your base. It needs to be lightweight and able to move with you.
Credit: Photograph by Greg Broom
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Style & Design 2014
Tech, Tools, Toys & the Hottest New Gear
Plus: When to Say No to Your Doctor
ON NEWSSTANDS NOW
Mike Rowe Brings Back the Blue Collar Hero
Kidnapped in Syria: Anthony Loyd's Harrowing Story
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