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Merino Wool Socks

Smartwool Hike Liner Crew Socks
$12.74 $16.99 25% Off
This ultra-light, non-cushioned sock provides a close, lightweight fit that acts as your second skin to minimize friction and blisters. The flat knit toe seam guarantees comfort.
Smartwool Ultra Light Hiking Crew - Men's
$14.99 $19.99 25% Off
For the day hiker looking for a little more coverage, this hiking sock adds a small amount of cushion. An open, mesh fabric and two types of rib offer enhanced breathability and a perfect fit. Inspired by today's ultra-light hiking shoes, this responsibly sourced Merino wool sock will help change your hikes for the better.
Smartwool PhD Cycle Ultra Light Low Cut - Women's
$15.74 $20.99 25% Off
Switch gears when it comes to your biking socks. Our ZQ-Certified Merino wool cycling socks are breathable, super soft, and help provide comfort for the long ride ahead. Our Women's PhD® Cycle Ultra Light Low Cut socks are packed with technologies and innovations to help you perform without worrying about your feet—Shred Shield™ technology reduces wear from toes, Indestructawool™ technology provides ultimate durability, and activity-specific mesh zones help your feet stay dry and happy.
Smartwool PhD Cycle Ultra Light Low Cut - Women's
$15.74 $20.99 25% Off
Switch gears when it comes to your biking socks. Our ZQ-Certified Merino wool cycling socks are breathable, super soft, and help provide comfort for the long ride ahead. Our Women's PhD® Cycle Ultra Light Low Cut socks are packed with technologies and innovations to help you perform without worrying about your feet—Shred Shield™ technology reduces wear from toes, Indestructawool™ technology provides ultimate durability, and activity-specific mesh zones help your feet stay dry and happy.
Smartwool PhD Cycle Ultra Light Mini - Men's
$15.74 $20.99 25% Off
Switch gears when it comes to your biking socks. Our ZQ Merino wool cycling socks are made to be breathable and super soft while providing comfort for the long ride ahead. Our PhD® Cycle Ultra Light Mini socks are packed with technologies—Shred Shield™ technology reduces wear from toes, Indestructawool™ technology provides ultimate durability, and activity-specific mesh zones help your feet stay dry and happy.
Smartwool PhD Run Ultra Light Micro - Women's
$15.74 $20.99 25% Off
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 Indestructawool™ technology designed for added durability and an Achilles tab designed to help prevent sock slippage. And by adding our brand-new Shred Shield™ technology to one of our best running socks, the wear and tear from toes is reduced, helping you push toward your finish line and achieve higher mileage.
Smartwool PhD Run Ultra Light Micro - Women's
$15.74 $20.99 25% Off
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 Indestructawool™ technology designed for added durability and an Achilles tab designed to help prevent sock slippage. And by adding our brand-new Shred Shield™ technology to one of our best running socks, the wear and tear from toes is reduced, helping you push toward your finish line and achieve higher mileage.
Smartwool PhD® Outdoor Ultra Light Mini - Men's
$15.74 $20.99 25% Off
When you 've got lots of miles to cover but only want the minimum between your foot and boot, the PhD® Outdoor Ultra Light Mini is the perfect trail companion. With the new Shred Shield™ technology for reduced wear from toes, 4 Degree™ elite fit system for a more dialed-in fit, and activity-specific mesh zones for additional breathability, this sock was built for mile after mile of trail.
Smartwool PhD® Run Ultra Light Micro Socks - Men's
$15.74 $20.99 25% Off
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 the 4 Degree™ elite fit system and our Indestructawool™ technology for a dialed-in fit and improved durability.
Smartwool Hike Light Crew - Men's
$16.09 $22.99 30% Off
With classic styling, ample cushioning, and a supportive fit, our Jitterbug Crew has impressive range. Whether you’re at the office, walking a riverbank, or out on the dance floor, give your feet the youthful, nostalgic glow they deserve.
Smartwool Hike Light Crew - Women's
$16.09 $22.99 30% Off
Light, half-cushion is perfect for moderate hiking or aggressive walking. Designed for a woman's foot. Arch brace holds the sock in place and adds additional support. Flat-knit toe seam keeps you comfortable throughout the day.
Smartwool PhD Outdoor Light Micro - Women's
$16.49 $21.99 25% Off
The PhD® Outdoor Light Micro is made for the trail. Featuring Indestructawool™ technology for ultimate durability, we’ve designed this hiking sock to outlast your greatest adventures. And with features like mesh zones for maximum breathability, a Virtually Seamless™ toe and the power of Merino, they’ll help keep you comfortable every step of the way. A micro height barely shows above low trail shoes while the women’s-specific fit provides an overall slimmer fit and narrower heel.
Smartwool PhD Outdoor Light Micro - Women's
$16.49 $21.99 25% Off
The PhD® Outdoor Light Micro is made for the trail. Featuring Indestructawool™ technology for ultimate durability, we’ve designed this hiking sock to outlast your greatest adventures. And with features like mesh zones for maximum breathability, a Virtually Seamless™ toe and the power of Merino, they’ll help keep you comfortable every step of the way. A micro height barely shows above low trail shoes while the women’s-specific fit provides an overall slimmer fit and narrower heel.
Icebreaker Hike Liner Crew - Men's
$16.50 $22.00 25% Off
With a thin, lightweight construction that breathes efficiently and dries in a flash, the Hike Liner Crew is a ultralight yet durable sock perfect for routine hikes and lightweight backpacking trips. This sock features a technical blend of soft merino wool, durable nylon and stretchy LYCRA® for the ultimate combination of performance. Support zones in the Achilles and instep add stability, a breathable zone over the forefoot controls moistures and reinforced wear areas improve strength and durability.
Icebreaker Hike Liner Crew - Women's
$16.50 $22.00 25% Off
With a thin, lightweight construction that breathes efficiently and dries in a flash, the Hike Liner Crew is a ultralight yet durable sock perfect for weekend hikes and lightweight backpacking trips. This sock features a technical blend of soft merino wool, durable nylon and stretchy LYCRA® for the ultimate combination of performance. Support zones in the Achilles and instep add stability, a breathable zone over the forefoot controls moisture and reinforced wear areas improve strength and durability.
Icebreaker Run+ Ultra Light Micro - Men's
$16.50 $22.00 25% Off
Whether you’re hitting the trails, cranking out a few miles after work or lining up for your next race, the Run+ Ultralight Micro Socks provide the optimal balance of comfort, and lightweight breathability. This sock’s technical fabric blend combines soft merino wool with nylon for durability and a touch of LYCRA® for active stretch and shape retention. Also added is a seamless toe closure to ward off blisters and strategic support and breathe zones to keep you comfortable mile after mile.
Icebreaker Run+ Ultra Light Mini - Men's
$16.50 $22.00 25% Off
Whether you’re hitting the trails, cranking out a few miles after work or lining up for your next race, the Run+ Ultralight Mini Socks provide the optimal balance of comfort, and lightweight breathability. This sock’s technical fabric blend combines soft merino wool with nylon for durability and a touch of LYCRA® for active stretch and shape retention. Also added is a seamless toe closure to ward off blisters and strategic support and breathe zones to keep you comfortable mile after mile.
Icebreaker Run+ Ultra Light Mini - Women's
$16.50 $22.00 25% Off
Whether you’re hitting the trails, cranking out a few miles after work or lining up for your next race, the Run+ Ultralight Mini Socks provide the optimal balance of comfort, and lightweight breathability. This sock’s technical fabric blend combines soft merino wool with nylon for durability and a touch of LYCRA® for active stretch and shape retention. Also added is a seamless toe closure to ward off blisters and strategic support and breathe zones to keep you comfortable mile after mile.
Icebreaker Run+ Ultralight Micro - Women's
$16.50 $22.00 25% Off
Whether you’re hitting the trails, getting in a few miles after work or lining up for your next race, the Run+ Ultralight Micro Socks provide the optimal balance of comfort, and lightweight breathability. This sock’s technical fabric blend combines soft merino wool with nylon for durability and a touch of LYCRA® for active stretch and shape retention. Also added is a seamless toe closure to ward off blisters and strategic support and breathe zones to keep you comfortable mile after mile.
Smartwool Heathered Rib Socks - Men's
$17.24 $22.99 25% Off
A no-nonsense ribbed sock with built-in, cushioned comfort and a touch more cushioning than our Classic Rib.
Smartwool New Classic Rib Socks - Men's
$17.24 $22.99 25% Off
A refreshed version of the Classic Rib, the New Classic Rib is a cushioned crew sock that offers wonderful stretch and luxurious, soft Merino wool next to your skin. Great fit and maximum comfort.
Smartwool PhD Outdoor Light Mini - Men's
$17.24 $22.99 25% Off
An ankle-high powerhouse, the PhD® Outdoor Light Mini is made for mileage. Great for long summer treks, our lightweight, best-fitting hiking sock combines support, stretch, and recovery. Featuring Indestructawool™ technology for ultimate durability and the 4 Degree® elite fit system for a dialed fit. Light cushioning offers impact protection on the road or trail, while the Virtually Seamless™ toe offers more comfort in a trail shoe.
Smartwool PhD Outdoor Light Pattern Mini - Women's
$17.24 $22.99 25% Off
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. That's why we printed our favorite motto on this pair, so you remember why you bought Smartwool® socks. For the durability, the comfort, the performance-oriented fit, and everything else our ZQ=Certified Merino products offer. So, when you put these wool hiking socks on, just know that you're bound to go far and feel good doing it.
Smartwool PhD Run Light Elite Micro - Men's
$17.24 $22.99 25% Off
One of our best fitting, most advanced running socks for men yet. We packed years of testing, prototypes and running smarts into these socks. Featuring Light Elite cushioning in the ball and heel of the foot for ultimate shock absorption with minimal in-shoe volume, body-mapped mesh ventilation zones, and a Virtually Seamless™ toe, this wool sock has it all and more.
Smartwool PhD Run Light Elite Micro - Men's
$17.24 $22.99 25% Off
One of our best fitting, most advanced running socks for men yet. We packed years of testing, prototypes and running smarts into these socks. Featuring Light Elite cushioning in the ball and heel of the foot for ultimate shock absorption with minimal in-shoe volume, body-mapped mesh ventilation zones, and a Virtually Seamless™ toe, this wool sock has it all and more.
Smartwool PhD Run Light Elite Micro - Men's
$17.24 $22.99 25% Off
One of our best fitting, most advanced running socks for men yet. We packed years of testing, prototypes and running smarts into these socks. Featuring Light Elite cushioning in the ball and heel of the foot for ultimate shock absorption with minimal in-shoe volume, body-mapped mesh ventilation zones, and a Virtually Seamless™ toe, this wool sock has it all and more.
Smartwool PhD Run Light Elite Micro - Women's
$17.24 $22.99 25% Off
Some of our best fitting, most advanced run socks yet—we've packed years of testing, prototypes, and running smarts into these ZQ-Certified Merino wool socks. Featuring Light Elite cushioning in the ball and heel of the foot to help maximize comfort with minimal in-shoe volume, body-mapped mesh ventilation zones, and a Virtually Seamless™ toe, this running socks is ready to keep up with you.
Smartwool PhD Run Light Elite Micro - Women's
$17.24 $22.99 25% Off
Some of our best fitting, most advanced run socks yet—we've packed years of testing, prototypes, and running smarts into these ZQ-Certified Merino wool socks. Featuring Light Elite cushioning in the ball and heel of the foot to help maximize comfort with minimal in-shoe volume, body-mapped mesh ventilation zones, and a Virtually Seamless™ toe, this running socks is ready to keep up with you.
Smartwool PhD® Outdoor Light Mini - Men's
$17.24 $22.99 25% Off
An ankle-high powerhouse, the PhD® Outdoor Light Mini is made for mileage. Great for long summer treks, it combines support, stretch, and recovery. Featuring Indestructawool™ technology for ultimate durability and the 4 Degree® elite fit system for a dialed fit. Light cushioning offers impact protection on the road or trail, while the Virtually Seamless™ toe offers more comfort in a trail shoe.
Smartwool PhD® Outdoor Light Mini - Women's
$17.24 $22.99 25% Off
An ankle-high powerhouse, the PhD® Outdoor Mini is made for mileage. Great for long summer treks, it combines support, stretch, and recovery in a women's-specific design and fit. Featuring Indestructawool™ technology for ultimate durability and the 4 Degree® elite fit system for a dialed fit.
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