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 the 4 Degree® elite fit system for a sock that doesn’t bunch, slip, or bind.
- PhD is built for performance in the highest degree
- 4 Degree Elite Fit System uses two elastics for greater stretch and recovery to keep the sock in place
- Indestructawool™ technology features a patent-pending construction method for exceptional durability and comfort
- Mesh ventilation zones provide optimum moisture management and maximum breathability
- Virtually Seamless™ toe
- Medium cushioned shin and foot for impact absorption and warmth
- 63% Merino Wool / 35% Nylon / 2% Elastane