Smartwool Phd nordic Medium, let's you stay out longer, and go harder. No need to worry about cold feet.
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, we’ve added our patent-pending Indestructawool™ technology for ultimate durability and our 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