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Our PhD® Run Cold Weather Mid Crew is one of our warmest running socks and will help you get outside and stay out longer. Our 4 Degree™ elite fit system helps keep socks in place so you can focus on the stride ahead and the narrower profile proves a better fit for women’s feet—making this sock your favorite cold-weather companion.
Built for Performance in the Highest Degree
Women's Specific Fit
Women's specific fit; narrower heel and slimmer fit
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
Mesh ventilation zones provide optimum moisture management and maximum breathability
Light Elite Cushioning
Maximum impact protection with targeted cushioning on the ball and heel of the foot. Designed specifically for runners.
Sock Height: Mid Crew
Virtually Seamless™ toe for enhanced comfort
Mid crew height adds extra warmth under tights
5" overall height
Made in USA of Imported Yarn: 55% Merino Wool, 42% Nylon, 3% Elastane
Machine Wash Warm, Wash Inside Out.
Do Not Bleach.
Tumble Dry Low.
Do Not Iron.
Do Not Dry Clean.