Smartwool athlete and iconic Alpinist partnered with our sock developers to help develop and test the PhD® Outdoor Mountaineer sock. His attention to detail, years of experience and on-mountain field-testing helped us create our best, most comfortable mountaineering socks ever.


Editors' Choice Snow 2017: Smartwool PhD Outdoor Mountaineer


This sock is the foundation of comfort on long-haul ski tours.

Editors Choice
Smartwool athlete Conrad Anker and his NEW Smartwool Approach Sock

Partnering with a Legend

We teamed up with iconic Alpinist Conrad Anker
to develop and test our new PhD Approach socks.

NEW PhD Outdoor Approach Sock


The next evolution in our partnership with iconic alpinist Conrad Anker, the PhD Outdoor Approach takes new sock technology to new heights.  The PhD Outdoor Approach sock is designed to handle demanding approaches, day hikes and everyday wear. Featuring Indestructawool™ and our 4 Degree™ elite fit, our Approach socks are made to scramble over rocks while wicking moisture away, thanks to Merino wool.  Designed to fit seamlessly in approach or hike footwear, these socks offer the fit, comfort and durability to handle demanding approach, day hikes and everyday wear.  


New Fall 2017 PhD® Outdoor Mountaineer Sock

New Fall 2017 PhD® Outdoor Mountaineer Sock developed in partnership with Conrad Anker professional alpinist and Smartwool athlete.

PhD® Outdoor Approach Sock

Climbing the most technically challenging terrain in the world is just another day at the office for Conrad. And having the right gear is critical to his success.

New Approach Sock Technical benefits


The New PhD Outdoor Approach Collection is sold exclusively at select retailers and

Click the link below for a list of Exclusive Retailers 


See the entire PhD® Outdoor Collection