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
Powered By ZergNet
The New NFL
Andrew Luck and the Super-Athletes Making Football Faster, Meaner, and More Fun
Plus: A New Approach to Heart Health
ON NEWSSTANDS NOW
David Feherty: The Golf Channel's Wild Man
Jimmy Graham, an NFL Star Takes Off
Sign up to receive the Men’s Journal newsletter and special offers from MJ and its marketing partners.