For a sock that has it all, look no further. The PhD® Outdoor Medium Pattern Crew offers fit, comfort, and durability wrapped together in one smart sock. It features Indestructawool™ technology for ultimate durability in high-wear areas, the 4 Degree™ elite fit system for a dialed-in fit, and Smartwool's signature Virtually Seamless™ toe for extraordinary comfort in any trail shoe. Medium cushioning provides impact protection and ultimate comfort on the trail.
PhD® - 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 ventilation zones provide optimum moisture management and maximum breathability
Medium Cushion - Medium impact absorption for varied conditions