It’s time to take “burr” out of your running vocabulary. Stride out in our PhD® Run Cold Weather Mid Crew. A Merino blend and mesh zones designed for runners help keep your feet warm during long winter runs. With a run-specific profile and our 4 Degree™ elite fit system, which has two elastics for greater stretch and fast recovery, these socks stay in place at every turn and up every hill.
4 Degree™ Elite Fit System
For a dialed, performance-oriented fit with flex zone at ankle joint
Mesh ventilation zones provide optimum moisture management and maximum breathability
Seamless construction provides support with stretch for mobility and comfort
Cushioning in specific places depending on activity. Typically on the ball of the foot and the heel.
Indestructawool™ technology features a patent-pending construction method for exceptional durability and comfort
Indestructawool™ technology for enhanced durability
4 Degree™ elite fit system for a dialed-in, performance-oriented fit
Body-mapped mesh zones for added breathability
Virtually Seamless™ toe for enhanced comfort
Mid-crew height adds extra warmth under tights
6" overall height
56% Merino Wool 41% Nylon 3% Elastane
Machine Wash Warm. Wash Inside Out. Do Not Bleach. Tumble Dry Low. Do Not Iron. Do Not Dry Clean.