Socks Size XL

With all of the features that the PhD® Run Ultra Light Micro offers, your newest technology may be in your sock drawer. Indestructawool™ technology...

Engineered with anatomical design and Targeted Compression, providing a Custom-Like Fit and reduced risk of blisters, plus our Light Cushion for ad...

Being successful starts with the right gear. And when you’re ready to put the running miles under your feet, the right footwear is essential. Our M...

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

If you thought Merino wool’s benefits—including comfort, breathability, and odor resistance—were great, you’re gonna love what else this sock bring...

Our first ever Plantar Fasciitis sock featuring award winning, patented FS6® technology. Wearing the FS4TM PF socks during runs or sports activity ...

The Coolmesh™ll is our #1 selling style worldwide!  It’s the most breathable lightweight Double Layer sock and is designed for a minimal feel. Ide...

Our first ever Plantar Fasciitis sock featuring award winning, patented FS6® technology. Wearing the FS4TM PF socks during runs or sports activity ...

We combined Targeted Compression and anatomical design with a distinct blend of Merino wool and Tencel® fibers to create a more advanced Merino so...

TCRC Custom Design. Designed to meet the demands of race-day athletes, the F4 utilizes to provide compressed venting and moisture wicking in the mo...

Our Merino 10 socks use a distinct blend of Merino wool and Tencel Fibers to create a more advanced Merino sock. Newly redesigned with a reinforced...

Some runner-to-runner advice: don’t underestimate the power of a great sock. The Ghost Crew socks offer plenty of cushion, coverage, and snug suppo...

Our new and improved Hike Light socks, formerly PhD® Outdoor, bring you enhanced features to maximize comfort and help you get after it at the high...

Our new and improved Hike Light socks, formerly PhD® Outdoor, bring you enhanced features to maximize comfort and help you get after it at the high...