Don’t let the cold stop you from taking one last lap: the PhD® Nordic Medium delivers maximum warmth and breathability when the going gets cold. Built with long-distance comfort in mind, Smartwool have added their patent-pending Indestructawool™ technology for ultimate durability and their 4 Degree™ elite fit system for socks that won’t bunch, slip, or bind.
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
Medium impact absorption for varied conditions
- Sock Height: Crew
- Body-mapped mesh zones for added breathability
- Virtually Seamless™ toe for enhanced comfort
- 8.5" overall height
- Made in USA of Imported Yarn: 62% Merino Wool, 35% Nylon, 3% Elastane
- Style: SW015061
- Machine Wash Warm, Wash Inside Out.
- Do Not Bleach.
- Tumble Dry Low.
- Do Not Iron.
- Do Not Dry Clean.