Featuring Light Elite cushioning, these socks contain targeted cushioning placed only where runners need it most, on the ball and heel of the foot. We packed these socks chock full of smart features like our 4 Degree™ elite fit system,...

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 help improve wear in the toe box, our PhD® Run Ultra Light Micro socks feature...

How far you send it is directly correlated with how much you're willing to risk. Go big in the Wind Range snow sock. Go where the white powder is endless in the Conifer snowboard sock. Features Natural Wool Fusion Blend Toe...

We've teamed up with CHUP, the premium Tokyo-based sock brand, to create the new limited edition CHUPs by Smartwool® collection. Sharing a passion for premium fibers and bold designs, we've combined CHUP's folk art-inspired patterns with our Merino and knitting...

A favorite of through-hikers and day-trippers alike, the PhD® Outdoor Light packs some serious trail power. Featuring a versatile, multi-sport design, this lightweight style includes Indestructawool technology for ultimate durability in high wear areas. And when it comes to comfort,...

For those who are vertically inclined, the PhD® Pro Light Elite Approach Crew combines carefully designed comforts with rugged purpose. Made with the help of Conrad Anker, these socks feature extra cushioning to protect against footwear friction, a 4 Degree™...

When you're out there, the last thing you want to think about is your feet. That's why we made the PhD® Pro Light Crew with Indestructawool™ technology, a 4 Degree™ elite fit system, and body mapped mesh vents for breathability....

Tech Specs Merino wool and Polymide Anatomically shaped Odour inhibiting Cool, dry feel

Tech Specs Weight: 60 g Application: Sport, compression stocking Material: 68% polyester, 18% polyamide, 12% cotton, 2% spandex Type: mixed fiber

The Perrine Hike features a blend of twisted fibers that will keep you cooler, pull moisture away faster, and are 65% more durable than anything in the current market. Features Natural Wool Fusion Blend Advanced Moisture Management Breathable Performance Mesh...

Nature's best kept secrets are worth the effort. Let the Little Lakes Outdoor socks from our Adventure collection get you there and back with moisture wicking, thermo-regulating, and structural support. Features Natural Wool Fusion Blend Advanced Moisture Management Anatomical Cushioning...

Yes, quality training socks do improve your performance. The Barder Crew keeps feet cool, dry, and comfortable with state of the art moisture-wicking fibers and a mosaic of mesh that extend from the top of the foot to the arch....

Our new FEEL360 technology is a proprietary fiber treatment that adapts and reacts to the foot to create the freshest and driest comfort experience. By infusing premium twisted yarns with FEEL360, the sock reacts to eliminate odor causing bacteria, adapts...

Everything about this sock was created to work seamlessly with a high-performance boot: strategically placed cushioning on the heel and toe, light shin cushion, and all the benefits of Merino to help keep you warm and dry. The 4 Degree...

For a sock that has it all, look no further: the PhD Outdoor Medium Crew offers fit, comfort and durability wrapped together in one smart sock. Featuring Indestructawool™ technology for ultimate durability in high wear areas, the 4 Degree™ elite...

We put all of our smarts into these new and improved run socks that feature our 4 Degree® Elite fit system, ReliaWool® technology for superior durability and a virtually seamless toe. Men's-specific mesh ventilation zones provide ultimate temperature and moisture...

For a sock that has it all, look no further: the PhD® Outdoor Medium Crew offers fit, comfort and durability wrapped together in one smart sock. Featuring Indestructawool technology for ultimate durability in high wear areas, the 4 Degree elite...

Experience durability at its peak with the PhD® Outdoor Light Crew. Featuring Indestructawool technology, a patent-pending wool-based durability construction, these socks are ready for any adventure on your list. Plus, with redesigned mesh zones, a Virtually Seamless toe and the...