Running Socks

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

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,...

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...

We've put all of our smarts into these new and improved Women's PhD Run Ultra Light Micro socks. You won't break your stride, thanks to our Indestr...

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

Slip on this ultra-lightweight no show Merino Wool sock for blister-blasting protection and sweat-wicking power that you don’t have to see to belie...

Get out the headband: it's tme to mop up with this ground-up redesign. Our streamlined No Show Tab men's running sock features a silky, chafe-elimi...

When summer temps say no, these socks say hell-to-the-yes. Our ultra-lightweight no show Coolmax running sock wicks moisture and keeps the air flow...

This blink-and-you'll-miss-me, ultra-lightweight sock is knit with Coolmax yarn that chills out when your run heats up. Featuring a silky, chafe-el...

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....

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...

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...

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...

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...

Experience durability at its peak with the Women's PhD Outdoor Light Print Crew. Using our proprietary 360-degree printing technology, we kicked th...

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 ...

When you 've got miles to cover but want the minimum between your foot and boot, the Women's PhD Outdoor Ultra Light Micro is ready to go. Built wi...