Smartwool PhD Run Ultra Light Micro Socks Size:M * Viruses: No

* Viruses: No

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Fold-down legs for maximum light dispersion

Full-perimeter venting ensures maximum airflow for a clear

Smartwool PhD Run Ultra Light Micro Socks Size:M * Viruses: NoWhen it comes to running socks, we pull out all the stops to keep making improvements on our products. With brand new Shred Shield technology to help improve wear in the toe box, our PhD Run Ultra Light Micro socks feature the 4 Degree elite fit system and our Indestructawool technology for a dialed in fit and improved durability. Features Indestructawool technology for enhanced durability 4 Degree elite fit system for a dialed, performance oriented