description Smartwool PhD Pro Endurance Medium Crew Socks Overview
Smartwool PhD Pro Endurance Medium Crew Socks are high-performance merino wool running socks from Smartwool featuring targeted cushioning and reinforced high-wear zones.
help Smartwool PhD Pro Endurance Medium Crew Socks FAQ
What makes the Smartwool PhD Pro Endurance socks different from standard Smartwool models?
They feature a structured arch brace and targeted cushioning in high-impact zones, using a blend of merino wool and nylon. This specific model is designed specifically for high-endurance trail running and hiking compared to the everyday PhD line.
Are these socks too hot to wear during summer runs?
The merino wool naturally regulates temperature and wicks moisture, making them surprisingly breathable in hot weather. Smartwool also integrates mesh ventilation zones specifically to keep your feet cool during active use.
How high up the leg do the Medium Crew socks go?
The Medium Crew designation means the sock reaches to the mid-calf area, providing protection from trail debris and brush. This makes them particularly popular for obstacle course racing and ultramarathon trail running.
Will the wool in these socks shrink when machine washed?
Smartwool pre-washes their merino wool and treats it to resist shrinking, but you should still wash them on a cold cycle. You should definitely avoid putting them in the dryer, as high heat can eventually degrade the elastic and wool fibers.
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