Don't let the cold stop you from taking one last run: the PhD® Ski medium delivers maximum warmth and breathability when the going gets cold. Patent-pending Indestructawool™ technology provides ultimate durability to make sure your socks are ready to go, run after run. Made with our 4Degree® elite fit system for a sock that doesn't bunch, slip, or bind.
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 cushioned shin and foot to protect against boot contact and ultimate warmth
Mesh ventilation zones provide optimum moisture management and maximum breathability
Built for Performance in the Highest Degree
Virtually Seamless™ toe for enhanced comfort
14" overall height
Sock Height: Over the Calf
Made in USA of Imported Yarn: 62% Merino Wool, 36% Nylon, 2% Elastane
Body-mapped mesh zones for added breathability
62% Merino Wool 36% Nylon 2% Elastane
Machine Wash Warm, Wash Inside Out. Do Not Bleach. Tumble Dry Low. Do Not Iron. Do Not Dry Clean.