Searching for a versatile wool sock that has it all? Look no further: the PhD® Outdoor Medium Crew offers fit, comfort and durability wrapped together in one smart sock. It features Indestructawool™ technology for ultimate durability in high wear areas, our 4 Degree™ elite fit system for a dialed fit, and our signature Virtually Seamless™ toe for extraordinary comfort in any trail shoe. Plus, the medium cushioning provides impact protection and ultimate comfort on the trail—making our PhD® Outdoor socks some of our best-fitting and most comfortable.  Features: Sock Height: Crew Virtually Seamless™ toe for enhanced comfort 8.5" overall height Made in USA of Imported Yarn: 63% Merino Wool, 35% Nylon, 2% Elastane Benefits: 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™: 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 Medium Cushion: Medium cushioning to absorb impact on the trail