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Smartwool Men's PhD® Pro Outdoor Medium Hiking Crew Socks

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When you're out there, the last thing you want to think about is your feet. That's why we made the PhD® Pro Medium Crew with Indestructawool™ technology, a 4 Degree™ elite fit system, and body mapped mesh vents for breathability. So you can escape without distractions and feel supported wherever your feet take you. Get out there and explore.

Size Chart
SizeUS Men's Size


Product Details


Built for Performance in the Highest Degree

4 Degree™ Elite Fit System
For a dialed, performance-oriented fit with flex zone at ankle joint

Indestructawool™ technology features a patent-pending construction method for exceptional durability and comfort

Mesh Venting
Mesh ventilation zones provide optimum moisture management and maximum breathability

Light Cushion
Light cushioned sole for added warmth with minimal volume



Sock Height: Crew
Virtually Seamless™ toe for enhanced comfort
Achilles strap provides extra protection and warmth
Made with premium yarn to enhance comfort
Made in USA of Imported Yarns: 62% Merino Wool, 36% Nylon, 2% Elastane
Style: SW001009

Men's PhD® Pro Outdoor Medium Hiking Crew Socks

Men's PhD® Pro Outdoor Medium Hiking Crew Socks