The Best Gear of Winter 2017-2018: Smartwool PhD Outdoor Mountaineer Socks

This sock is the foundation of comfort on long-haul ski tours.
By BACKPACKER Editors & Contributors ,

Getting socks for Christmas is boring. But not when you get these fatigue-busting ski socks. Designed with help from alpinist Conrad Anker, the Smartwool PhD Outdoor Mountaineers are some of the best wool socks we've ever tried. Graduated compression helps muscle recovery while preventing the socks from bagging out over the course of long ski tours.

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