Running Socks

It's time to move new mountains. And there's no better sock to do it in than the PhD Outdoor Light Pattern Crew. Featuring a colorful, geometric pr...

We worked with athlete Rob Krar to create the ultimate ultra-run sock. This purpose-built sock features Shred Shield technology to reduce wear from...

When 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 he...

For a sock that has it all, look no further: the Women's PhD Outdoor Medium Pattern Crew offers fit, comfort, and durability wrapped together in on...

An ankle-high powerhouse, the Women's PhD Outdoor Pattern Mini is made for mileage. Great for long summer treks, it combines support, stretch, and ...

Less is all you need. Weighing in at only 13 grams per sock our Vertex No-Show tabs are incredibly light but still incredibly tough. You'll forget ...

Sometimes you just need a good run. Our PhD Run Cold Weather Mid Crew will get you out the door and help you stay outside longer. Our 4 Degree elit...

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 fo...

Our best fitting, most advanced run socks yet, we packed years of testing, prototypes and running smarts into these socks. Featuring Light Elite cu...

Our best fitting, most advanced run socks yet, we packed years of testing, prototypes and running smarts into these socks. Featuring Light Elite cu...