We put all of our smarts into these new and improved run socks that feature our 4 Degree™ elite fit system, Indestructawool™ technology for superior durability and a virtually seamless toe. Men’s-specific mesh ventilation zones provide ultimate temperature and moisture regulation where male runners need it most.

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 4 Degree™ elite fit system, these socks have comfort covered.

Artist Jonas Claesson brings his artwork to life on our crew socks, thanks to our proprietary 360-degree printing process. Stay comfortable with ultra-soft Merino wool, and enjoy a fun design. A Virtually Seamless™ toe provides in-shoe comfort, Shred Shield™ technology helps reduce wear from toes, and a supportive arch brace takes in-shoe comfort and performance to the next level.

When a last-minute weekend getaway pops up, the Texture Crew is ready to go: no-stink Merino means you can pack light and still keep your friends. And when long hours on your feet are required, micro cushioning on the foot makes the road less travelled way more comfortable.

Looks sharp, but feels soft. Our Hike Light Sharp Things Print Crew offers a printed design with a unique collection of pointy objects, super-comfortable Merino wool, and a flat-knit toe seam for enhanced in-shoe comfort.

No matter if you're hiking in to your first hut trip or it is an annual adventure with your friends, gear up with our Hike Light Hut Trip Print Crew and enjoy unreal comfort and performance, with an outdoor-inspired printed design. These socks are an update to our classic hike collection—adding some new designs to a tried-and-true hiking staple.

Comfortable, soft, breathable Merino isn't just for day use—we're looking out for you night owls too. These curated socks feature a limited-edition, night owl printed design on temperature-regulating Merino wool. We've added in a Virtually Seamless™ toe and a supportive arch brace for all-day and all-night comfort as well.

We teamed up with artist John Fellows to bring his designs to life on these limited-edition socks. Our Men's Curated Mountain Ventures Crew socks bring Merino breathability and comfort to your everyday sock game, with added comfort-enhancing details like a supportive arch brace and a Virtually Seamless™ toe.

Experience durability at its peak with the PhD® Outdoor Light Print Crew. Featuring our 360° proprietary printing technology, we can kick the design up a notch while still packing these crew socks full of techy bonuses—Indestructawool™ technology for added durability, activity-specific mesh zones, a Virtually Seamless™ toe, and the 4 Degree™ elite fit system. And as a throwback to our most beloved casual sock pattern, we've added the Margarita casual sock design to this fun, lively print.

Our proprietary 360-degree printing process kicks our PhD® Run Light Elite Print Crew socks up a gear. These run-specific socks feature Light Elite cushioning in the ball and heel of the foot for shock absorption while keeping in-shoe sock volume minimal, run-specific mesh ventilation zones, and a Virtually Seamless™ toe to reduce hot spots and discomforts.

No matter if it is your first time hitting the snow, or you're an old pro, your feet deserve the ultimate in comfort, warmth, and performance. Our PhD® Snow Medium socks have our highest amount of cushioning in the ball, toe, and shin of the sock. These snow socks have a mountain-inspired design, created in partnership with snowboard legend Bryan Iguchi. They also feature our sock tech—body-mapped mesh zones, our 4 Degree™ elite fit system, and a Virtually Seamless™ toe.

Don’t let the cold stop you from taking one last run: the PhD® Ski medium delivers maximum warmth and breathability when the going gets cold. Patent-pending Indestructawool™ technology provides ultimate durability to make sure your socks are ready to go, run after run. Made with our 4Degree® elite fit system for a sock that doesn’t bunch, slip, or bind.

Performs as great as they look. Our PhD® Ski Light socks add a little flair to your kit and back it up with Indestructawool™ technology tech, a dialed 4 Degree™ fit, and body mapped mesh zones. Out-ski the competition while looking comfortable and confident.

For the skier who wants the minimum between their foot and boot, the PhD® Ski Ultra Light offers the benefits of Merino in a high-performance fit. Featuring Indestructawool™ technology for long-lasting wear, our 4 Degree™ elite fit system, mesh ventilation zones, and our signature Virtually Seamless™ toe for ultimate comfort in a ski boot, these socks are designed to keep you comfortable from first chair to backcountry escape.

25 years ago, Smartwool was born on a ski slope with the belief that feet shouldn't have to be cold. Today, we are still making socks to keep toes warm and celebrating 25 years of innovation and adventure. Our PhD® Ski Ultra Light 25th Anniversary Print sock is perfect for performance ski boots, with Indestructawool™ technology for added durability, our 4 Degree™ elite fit system to help give you a dialed-in fit, and Shred Shield™ technology, to help reduce wear from toes. On top of these performance technologies, we used our revolutionary 360-degree printing process to infuse this sock with the mountains and ski hills we call home.