Smartwool PhD RUN Merino Wool Sock - City Park Runners

It’s time to take “burr” out of your running vocabulary. Stride out in their 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 their 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.