Running Socks

If you want to express your passion for peddling without having to say a word, then our PhD Cycle Ultra Light Dialed Print Crew socks will do it fo...

Cool. Collected. Ready to roll. Our Vertex Ultra-Light Cushion has the sleek feel of a super stripped down, lightweight running sock still delivers...

Who says you can't have it all? Our Vertex Ultra-Light Cushion has the sleek feel of a super stripped down, lightweight running sock still delivers...

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 ...

Looking for an ultra-light running sock that disappears when you put it on? Weighing in at a mere 13 grams per sock this is the lightest sock we ma...

When guys are hiding in their man caves you're out there running in the summer heat. The Vertex 1/4 sock was designed for It's ultra-light and alwa...

Less is all you need. Our Vertex Ultra-Light Cushion has the sleek feel of a super stripped down, lightweight running sock, but still delivers cush...

Perfect for your little adventurer! Made with anti-stink, super soft Merino and a flat toe seem to keep tootsies comfy, our Kids' Hike Light Crew ...

Featuring Light Elite cushioning, these socks contain targeted cushioning placed only where runners need it most, on the ball and heel of the foot....

Featuring Light Elite cushioning, these socks contain targeted cushioning placed only where runners need it most, on the ball and heel of the foot....

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...

Take some of the pressure out of your day with the Men's Pressure Free Chronology Crew sock. It's designed to prevent tightness on the leg and calf...

Drop the smartphone and pick up a smart sock. The PhD Outdoor Light Mountain Camo Print Crew provides a colorful design that will have you blending...

Whether you're heading to the Front Range or to your favorite trailhead, the PhD Outdoor Light Front Range Print Crew will help you get out there. ...

This wool sock is the perfect balance of comfortable and durable. Your next adventure may be your best adventure with all of the smart benefits thi...

Our proprietary 360-degree printing process brings vibrant, fun-loving designs to our classic hiking socks. Light, half-cushion provides the perfec...

Go far. Feel good. These words not only inspire every pair of socks we make, but they remind us of who we create high-performance socks for-you. Th...

Looking for a fun lifestyle sock that's the prefect height for your everyday boots? Look no further. The Women's Floral Dot Mini Boot Sock has it a...

Color meets comfort in the brand new PhD Run Ultra Light Stacked Block Print Micro. This durable running sock uses all of the latest tech you want,...

When you've got miles to cover, but want the minimum between your foot and boot, the Women's PhD Outdoor Ultra Light Pattern Mini is built for the ...

Say goodbye to boring, run-of-the-mill running socks. We've brought our 360-degree printing technology to our race-day-worthy run socks to give you...

When you 've got lots of miles to cover but only want the minimum between your foot and boot, the PhD Outdoor Ultra Light Crew is the perfect trail...

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...