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 has added their patent-pending Indestructawool™ technology for ultimate durability and 4 Degree™ elite fit system for socks that won’t bunch, slip, or bind.
- 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