Socks

If you thought Merino wool's benefits—including comfort, breathability, and odor resistance—were great, you're gonna love what else this sock brings. With our Run Zero Cushion Ankle Socks, you also get Shred Shield technology to reduce wear from toes, mesh zones for enhanced breathability, a Virtually Seamless toe for enhanced comfort, and Indestructawool technology for extended durability. When you're ready to put in mile after mile of training runs, this sock will bring the comfort and durability goods. Features: - Sock Height: Ankle - Sock Cushion: Zero Cushion - Indestructawool technology with extended durability zones - 4 Degree elite fit system for a dialed-in, performance-oriented fit - Mesh zones for added breathability - Shred Shield technology reduces wear from toes - Virtually Seamless toe for enhanced comfort - Overall 3.25" height - Made in the USA of Imported Yarn: 46% Merino Wool 26% Nylon 25% Recycled Nylon 3% Elastane *Specific percentage of Recycled Nylon will vary as we transition to 100% Recycled Nylon in future seasons.

Find your comfort zone on every hike with our Women's Hike Light Cushion Low ankle socks. Formerly known as PhD Outdoor socks, these improved hiking socks are packed with all our tried-and-true sock innovations, like our Indestructawool technology for enhanced durability, our 4 Degree Elite Fit System and women's-specific fit, and our Virtually Seamless toe for even more comfort. We've extended durability zones and updated mesh areas to help maximize breathability without sacrificing the perfect sock fit. And soft responsibly sourced, ZQ-certified Merino wool handles the rest—working hard when you do. With a low ankle height that pairs perfectly with your low-cut hiking shoes, it's easy to stay comfortable on even the longest, most advanced hikes. Features: - Sock Height: Low Ankle - Sock Cushion: Light Cushion - Indestructawool technology with extended durability zones - Additional body-mapped mesh zones for added breathability - 4 Degree elite fit system for a dialed-in, performance-oriented fit - Virtually Seamless toe for enhanced comfort - Women's specific fit - Made in USA of Imported Yarn: 56% Merino Wool, 11% Nylon, 31% Recycled Nylon, 2% Elastane *Specific percentage of recycled nylon will vary as we transition to 100% recycled nylon in future seasons.

Over 25 years ago, we invented the original Merino wool performance sock—the Classic Hike. The Classic Hike remains mostly unchanged and certainly unmatched in comfort. But today, it's getting upgraded. And that upgrade starts with recycled nylon—creating a more sustainable (but just as comfortable) sock. They're also made with responsibly sourced, ZQ-certified wool that was grown with a focus on ensuring environmental, social, and economic sustainability while also taking the best care of our Merino sheep. This is a cozy, capable classic that is never going out of style. Features: - Sock Height: Crew - Our first sock construction, only now featuring recycled nylon (content varies by style) - Elasticized arch brace for secure fit - Flat knit toe seam for additional comfort - Knit in USA of Imported Yarn: 56% Merino Wool, 11% Nylon, 31% Recycled Nylon, 2% Elastane

Be sure to start your next run with footwear that offers as much comfort as possible. Our Run Targeted Cushion Ankle Socks are designed with cushion on the most impact-prone areas—the ball and heel of the foot—as well as other feel-good features like mesh zones for breathability, and Virtually Seamless toe. Plus, because they're made with responsibly sourced Merino wool, they're naturally odor-resistant and temperature-regulating. And, with Indestructawool technologies, they're built to last, mile after mile. Features: - Sock Height: Ankle - Sock Cushion: Targeted Cushion - Indestructawool technology with extended durability zones - 4 Degree elite fit system for a dialed-in, performance-oriented fit - Mesh zones for added breathability - Virtually Seamless toe for enhanced comfort - Overall 3.25" height - Made in the USA of Imported Yarn: 56% Merino Wool 39% Nylon 2% Recycled Nylon 3% Elastane *Specific percentage of Recycled Nylon will vary as we transition to 100% Recycled Nylon in future seasons.

Over 25 years ago, we invented the original Merino wool performance sock—the Classic Hike. The Classic Hike remains mostly unchanged and certainly unmatched in comfort. But today, it's getting upgraded. And that upgrade starts with recycled nylon—adding more sustainability to our favorite socks. They're also made with responsibly sourced, ZQ-certified wool that was grown with a focus on ensuring environmental, social, and economic sustainability while also taking the best care of our Merino sheep. This is a women's cozy, capable classic that is never going out of style. Features: - Sock Height: Crew - Sock Cushion: Light Cushion - Our first sock construction, only now featuring recycled nylon (content varies by style) - Elasticized arch brace for secure fit - Flat knit toe seam for additional comfort - Knit in USA of Imported Yarn: 56% Merino Wool, 11% Nylon, 31% Recycled Nylon, 2% Elastane

If you're looking for a dependable run sock to help you churn out those miles, this one might just fit the bill. Indestructawool and Shred Shield technologies increase the sock's durability, while the 4 Degree elite fit system, women's specific fit, Virtually Seamless™ toe, and breathable mesh zones increase its comfort. Add to that its Merino wool construction, which aids in odor resistance and temperature regulation, and our Women's Run Zero Cushion Ankle sock is a "shoo-in" to be one of your favorites. Features: - Sock Height: Ankle - Sock Cushion: Zero Cushion - Indestructawool technology with extended durability zones - 4 Degree elite fit system for a dialed-in, performance-oriented fit - Mesh zones for added breathability - Shred Shield technology reduces wear from toes - Virtually Seamless toe for enhanced comfort - Women's specific fit - Overall 3.25" height - Made in the USA of Imported Yarn: 45% Merino Wool 31% Nylon 21% Recycled Nylon 3% Elastane *Specific percentage of Recycled Nylon will vary as we transition to 100% Recycled Nylon in future seasons.

If you redesign one of the most popular socks in the line you better come correct. Increased breathability with mesh panels on top of the foot, a new smooth ribbing upper that stays put forever, and extended cushion over the Achilles—just a few heavy additions to one of the lightest hike socks out there. Features: - Performance Fit: No slipping, no bunching, and no blisters. - Fine-Gauge Knitting: Unprecedented durability and our unique "put it on, forget it's on" feel. - Fast-Action Wicking: Pulls moisture away from the skin. Fast-drying. - All-Weather Performance: Cool in the summer, warm in the winter. - Naturally Antimicrobial: Repels bacteria and odor. - Guaranteed For Life: No strings. No conditions. For life. - Merino Wool is fast-drying, breathable, and odor-resistant for all-day comfort. - True Seamless: Undetectable seam fusion for an ultra-smooth, invisible feel. Specs: - The micro crew is a shorter, more concise take on the traditional crew height. Peeks just above the top of a standard hiking boot. - 54% Nylon 43% Merino Wool 3% Lycra Spandex - The versatile lightweight yarns in the Hike/Trek category maintain a low profile in modern trail footwear and proper performance on multi-day trips. Cushioning Details: - Cushion in the Hike/Trek category features terry-loops under the foot, and in the taller styles reaches above the ankle for comfort and protection.

Legendary Darn Tough construction for when "equipment failure" is not an option. Performance Trail Fit means no bunching, no slipping, no blisters. Side vents deliver superior breathability. - 61% Merino Wool 37% Nylon 2% Lycra Spandex

Perfect fit. Powerful durability. That's what you get when you put on our Hike Light socks—formerly known as PhD® Outdoor. Featuring our top sock technologies, dialed-in fit systems, updated mesh zones, and extended durability zones, we've upgraded these hiking socks to help you push any summit or enjoy any trail in absolute comfort. Light cushioning on the entire bottom of the foot to bring more comfort to your favorite low-cut hiking shoes. And the addition of recycled nylon makes for a more sustainable sock construction. Go farther in ZQ-certified Merino wool hike socks. Features: - Sock Height: Ankle - Sock Cushion: Light Cushion - Indestructawool technology with extended durability zones - 4 Degree elite fit system for a dialed-in, performance-oriented fit - Additional body-mapped mesh zones for added breathability - Virtually Seamless toe for enhanced comfort - Comfort welt with 'stay put' fit - Height 3.25" - Knit in USA of Imported Yarn: 56% Merino Wool, 11% Nylon, 31% Recycled Nylon, 2% Elastane *Specific percentage of recycled nylon will vary as we transition to 100% recycled nylon in future seasons.

Putting in mile after mile on training runs requires comfortable footwear, starting with your socks. Our Women’s Run Targeted Cushion Ankle Socks are designed to fit well, feel great, and perform even better. With a women’s specific fit, engineered mesh zones for breathability, and Indestructawool technology with extended durability zones, this sock covers all of the fit, comfort, and performance bases. What’s even better is that it’s made with responsibly sourced Merino wool, so you know you’ll get softness, odor control, and temperature regulation. So get on out there and make each mile count! Features: - Sock Height: Ankle - Sock Cushion: Targeted Cushion - Indestructawool technology with extended durability zones - 4 Degree elite fit system for a dialed-in, performance-oriented fit - Mesh zones for added breathability - Virtually Seamless toe for enhanced comfort - Women's specific fit - Overall 3.25" height - Made in the USA of Imported Yarn: 54% Merino Wool 41% Nylon 2% Recycled Nylon 3% Elastane *Specific percentage of Recycled Nylon will vary as we transition to 100% Recycled Nylon in future seasons.

If you redesign one of the most popular socks in the line you better come correct. Increased breathability with mesh panels on top of the foot, a new smooth ribbing upper that stays put forever, and extended cushion over the Achilles—just a few heavy additions to one of the lightest hike socks out there. Features - Performance Fit: No slipping, no bunching, and no blisters. - Fine-Gauge Knitting: Unprecedented durability and our unique "put it on, forget it's on" feel. - Fast-Action Wicking: Pulls moisture away from skin. Fast-drying. - All-Weather Performance: Cool in the summer, warm in the winter. - Naturally Antimicrobial: Repels bacteria and odor. - Guaranteed For Life: No strings. No conditions. For life. - Merino Wool is fast-drying, breathable and odor-resistant for all-day comfort. - True Seamless: Undetectable seam fusion for an ultra-smooth, invisible feel. Specs - The micro crew is a shorter, more concise take on the traditional crew-height. Peeks just above the top of a standard hiking boot. - 54% Nylon 43% Merino Wool 3% Lycra Spandex - The versatile lightweight yarns in the Hike/Trek category maintain a low profile in modern trail footwear and proper performance on multi-day trips. Cushioning Details - Cushion in the Hike/Trek category features terry-loops under the foot, and in the taller styles reaches above the ankle for comfort and protection.

Stripes with a mountain range give the Whetstone its work-up-front, party-in-the-back mentality. Climate-controlling, lightweight Merino knit, plus guaranteed for life durability in this everyday sock, is why we named it after the road our mill is on. Features - Performance Fit: No slipping, no bunching, and no blisters. - Fine-Gauge Knitting: Unprecedented durability and our unique "put it on, forget it's on" feel. - Fast-Action Wicking: Pulls moisture away from skin. Fast-drying. - All-Weather Performance: Cool in the summer, warm in the winter. - Naturally Antimicrobial: Repels bacteria and odor. - Guaranteed For Life: No strings. No conditions. For life. - Merino Wool is fast-drying, breathable and odor-resistant for all-day comfort. - True Seamless: Undetectable seam fusion for an ultra-smooth, invisible feel. Specs - A classic, versatile height, crew socks hug the calf. A sock drawer staple. - 66% Merino Wool 32% Nylon 2% Lycra Spandex - The lightweight yarns used in the Lifestyle category are designed for everyday use and feature a silky, low-profile feel. Cushioning Details - Lifestyle socks with no cushion offer the standard feel for daily-use casual, and dress socks.

Our Classic Hike Full Cushion Crew socks focus on comfort and durability, so you can go farther on every hike. Responsibly sourced, ZQ-certified Merino wool keeps things soft, while recycled nylon keeps it all sustainable. And full cushioning on the entire sock adds the warmth and protection you need and love. Stay cozy out there with our updated Classic Hike socks. Features: - Sock Height: Crew - Our first sock construction, only now featuring recycled nylon (content varies by style) - Flat knit toe seam for additional comfort - Elasticized arch brace for secure fit - Knit in USA of Imported Yarn: 56% Merino Wool, 11% Nylon, 31% Recycled Nylon, 2% Elastane - Sock Cushion: Full Cushion

Perfect fit. Powerful durability. That's what you get when you put on our responsibly sourced Merino wool women's Hike Light socks. Formerly known as PhD Outdoor, these socks feature our top sock innovations and women's-specific fit, updated mesh zones, and increased durability, we've upgraded these hike socks to help you push any summit or enjoy any trail in absolute comfort. Light cushioning along the entire bottom of the foot offers a snug fit in your favorite low-cut hiking shoes. And the addition of recycled nylon makes for a more sustainable sock construction. Features: - Sock Height: Ankle - Sock Cushion: Light Cushion - Indestructawool technology with extended durability zones - 4 Degree elite fit system for a dialed-in, performance-oriented fit - Additional body-mapped mesh zones for added breathability - Virtually Seamless toe for enhanced comfort - Comfort welt with 'stay put' fit - Women's specific fit - Height 3.25" - Made in USA of Imported Yarn: 55% Merino Wool 11% Nylon 32% Recycled Nylon 2% Elastane *Specific percentage of recycled nylon will vary as we transition to 100% recycled nylon in future seasons.

Our new and improved Hike Light socks, formerly PhD Outdoor, offer a women's-specific fit and bring you enhanced features to maximize comfort and help you get after it at the highest level. We've extended the durability zones to make them cover even more of the sock–offering the same comfort with even more strength. And updated mesh zones help improve breathability without sacrificing the perfect sock fit. Less pressure. More performance. Add these features to a lightly cushioned sock that already provides the highest degree of comfort, fit, and durability, and it's never been easier to go far and feel good. Features: - 4 Degree elite fit system for a dialed-in, performance-oriented fit - Additional body-mapped mesh zones for added breathability - Virtually Seamless toe for enhanced comfort - Women's specific fit - Comfort welt with 'stay put' fit - Height 5.5" - Made in USA of Imported Yarn: 56% Merino Wool, 11% Nylon, 31% Recycled Nylon, 2% Elastane - Sock Height: Mini - Indestructawool technology with extended durability zones

Warm and earthy or sleek and chic: The Bronwyn offers a multitude of options. The patterned design is fresh. And after multiple wears, the naturally antimicrobial Merino Wool actually keeps it fresh. Works for any style, any day, and comes in a Knee High, too. Features - Performance Fit: No slipping, no bunching, and no blisters. - Fine-Gauge Knitting: Unprecedented durability and our unique "put it on, forget it's on" feel. - Fast-Action Wicking: Pulls moisture away from skin. Fast-drying. - All-Weather Performance: Cool in the summer, warm in the winter. - Guaranteed For Life: No strings. No conditions. For life. - Merino Wool is fast-drying, breathable and odor-resistant for all-day comfort. - True Seamless: Undetectable seam fusion for an ultra-smooth, invisible feel. Specs - A classic, versatile height, crew socks hug the calf. A sock drawer staple. - 51% Nylon 46% Merino Wool 3% Lycra Spandexwomen - The lightweight yarns used in the Lifestyle category are designed for everyday use and feature a silky, low-profile feel. Cushioning Details - With added cushion underfoot and just below the ankle, cushion Lifestyle socks look business, feel like vacation.

From the AT to the Pacific Crest Trail, our "1466" Hiker raised the bar on what the ultimate hiking sock needs to deliver. Each year we hear from countless thru-hikers that this rugged sock is the only option that truly takes on the rigors of the trail. Discover the trail legend for yourself. Features - Performance Fit: No slipping, no bunching, and no blisters. - Fine-Gauge Knitting: Unprecedented durability and our unique "put it on, forget it's on" feel. - Fast-Action Wicking: Pulls moisture away from skin. Fast-drying. - All-Weather Performance: Cool in the summer, warm in the winter. - Naturally Antimicrobial: Repels bacteria and odor. - Guaranteed For Life: No strings. No conditions. For life. - Merino Wool is fast-drying, breathable and odor-resistant for all-day comfort. - True Seamless: Undetectable seam fusion for an ultra-smooth, invisible feel. Specs - The micro crew is a shorter, more concise take on the traditional crew-height. Peeks just above the top of a standard hiking boot. - 61% Merino Wool, 36% Nylon, 3% Lycra Spandex - Additional warmth and protection are the signature characteristics of midweight yarns in the Hike/Trek category. Cushioning Details - Cushion in the Hike/Trek category features terry-loops under the foot, and in the taller styles reaches above the ankle for comfort and protection.

If you redesign one of the most popular socks in the line you better come correct. Increased breathability with mesh panels on top of the foot, a new smooth ribbing upper that stays put forever, and extended cushion over the Achilles – just a few heavy additions to one of the lightest hike socks out there. - 54% Nylon 43% Merino Wool 3% Lycra Spandex

Drink from enough streams and you'll eventually get an explosive reaction. Look closely at this hike sock and you'll see what we mean. However, a blown-out seam should be the least of your worries. That's why the Number 2 is #1 when it comes to long-lasting toughness and active comfort. Features - Performance Fit: No slipping, no bunching, and no blisters. - Fine-Gauge Knitting: Unprecedented durability and our unique "put it on, forget it's on" feel. - Fast-Action Wicking: Pulls moisture away from skin. Fast-drying. - All-Weather Performance: Cool in the summer, warm in the winter. - Naturally Antimicrobial: Repels bacteria and odor. - Guaranteed For Life: No strings. No conditions. For life. - Merino Wool is fast-drying, breathable and odor-resistant for all-day comfort. - True Seamless: Undetectable seam fusion for an ultra-smooth, invisible feel. Specs - The micro crew is a shorter, more concise take on the traditional crew-height. Peeks just above the top of a standard hiking boot. - 63% Merino Wool 35% Nylon 2% Lycra Spandex - Additional warmth and protection are the signature characteristics of midweight yarns in the Hike/Trek category. Cushioning Details - Cushion in the Hike/Trek category features terry-loops under the foot, and in the taller styles reaches above the ankle for comfort and protection.

Our Solid Crew delivers legendary Darn Toughness with sophisticated styling. Be ready for whatever the day brings. And do it in comfort. Features - Performance Fit: No slipping, no bunching, and no blisters. - Fine-Gauge Knitting: Unprecedented durability and our unique "put it on, forget it's on" feel. - Fast-Action Wicking: Pulls moisture away from skin. Fast-drying. - All-Weather Performance: Cool in the summer, warm in the winter. - Naturally Antimicrobial: Repels bacteria and odor. - Guaranteed For Life: No strings. No conditions. For life. - Merino Wool is fast-drying, breathable and odor-resistant for all-day comfort. - True Seamless: Undetectable seam fusion for an ultra-smooth, invisible feel. Specs - A classic, versatile height, crew socks hug the calf. A sock drawer staple. - 57% Merino Wool 41% Nylon 2% Lycra Spandex - The lightweight yarns used in the Lifestyle category are designed for everyday use and feature a silky, low-profile feel. Cushioning Details - Lifestyle socks with no cushion offer the standard feel for daily-use casual, and dress socks.

This is the only bear your feet will want to encounter when you're exploring the great outdoors. A lightly cushioned hiking sock with all the anti-funk qualities of Merino Wool, the Bear Town gives you freedom and flex to hike your way out of any unexpected encounter on the trail. - 54% Nylon 43% Merino Wool 3% Lycra Spandex

Hiking doesn't always mean epic plans or ultra-technical gear. Sometimes it just involves a day pack, a cup of coffee and cute little forest friends to cheer you along as you stroll in the great outdoors (or indoors, we're not judging). These cozy, fun, micro crew hiking socks have just the right amount of cushioning for long-haul comfort but are built with everyday play in mind. - 54% Nylon 43% Merino Wool 3% Lycra Spandex

We're a USA-made, family-run company, so you know we appreciate quality and keepin' it local. The Farmer's Market sock is our ode to sustainable living and local support. Fine gauge knitting hugs your feet, and you can think of it as a little hug for the earth, too, since it should last you for life. - 58% Merino Wool 38% Nylon 4% Lycra Spandex

If you redesign one of the most popular socks in the line you better come correct. Increased breathability with mesh panels on top of the foot, a new smooth ribbing upper that stays put forever, and extended cushion over the Achilles – just a few heavy additions to one of the lightest hike socks out there. - 54% Nylon 43% Merino Wool 3% Lycra Spandex

The Morgan is probably Vermont's state animal because it's quite versatile. As a sock it's not only stylish and durable, it's also knit with our silkiest Merino Wool yarn to date. The toe and heel stripe details set it apart in the field. - 63% Merino Wool 34% Nylon 3% Lycra Spandex

Cheer, cheer, cheer. Chickadee-dee-dee. Po-ta-to chip. No, our sock description-writing AI isn't going haywire. These are the chatty songs of the birds perched on our Twitterpated women's everyday sock. These Vermont-local birds are reliable and enduring, just like their knitted counterparts. Nest your feet here for all-day Merino Wool comfort. Lightweight, fun bird socks that will have you oddly excited to start your day. - 59% Merino Wool 39% Nylon 2% Lycra Spandex

Perform with the power and comfort of responsibly sourced, ZQ-certified Merino wool in our Hike Light Cushion Crew socks. Formerly known as PhD Outdoor, we've updated our best hike socks to include more sustainable materials with the addition of recycled nylon, improved durability, updated mesh zones, and an even more perfect fit. But, don't worry. Our fan-favorite sock technologies aren't going anywhere—offering you the comfort and performance you expect from Smartwool. The crew height also adds extra coverage on the trails and light cushioning on the entire bottom of foot helps keep you comfortable when the ground isn't—helping you to hike on (and on... and on...) Features: - Sock Height: Crew - Sock Cushion: Light Cushion - Indestructawool technology with extended durability zones - 4 Degree elite fit system for a dialed-in, performance-oriented fit - Additional body-mapped mesh zones for added breathability - Virtually Seamless toe for enhanced comfort - Comfort welt with 'stay put' fit - Height 8" - Made in the USA of Imported Yarn: 56% Merino Wool, 11% Nylon, 31% Recycled Nylon, 2% Elastane *Specific percentage of recycled nylon will vary as we transition to 100% recycled nylon in future seasons.

Thru-hiking the PCT is not for the faint of heart. Though you might go it alone, you'll always be in good company with a pair of great-fitting, moisture-wicking socks. Your best bud is a lightweight hiker with enough cushion to keep your feet in prime condition. If you make it to Canada, swash those socks immediately and start planning the next trip—there's always available mileage when your socks are unconditionally guaranteed for life. We donate 5% of sales to help support the Pacific Crest Trail Association. - 52% Nylon, 45% Merino Wool, 3% Lycra Spandex

Paying homage to a classic fly-fishing technique, the Spey Fly sock takes its name from Scotland's River Spey and inspiration from our own fly-fishing guru and Mill patriarch, Marc Cabot. He's the real deal. This lightweight lifestyle sock is too. It features terry loops knit under foot for cozy cushioning and our signature Merino Wool durable construction. While you may never reel in stream dolphins like Marc does, you can sport the same socks. - 51% Nylon, 47% Merino Wool, 2% Spandex Lycra

The last couple years have seen a lot of people joining the WFH life. Maybe it wasn't the magical fantasy-featuring talking woodland creatures – that we always dreamed it would be, but you can't deny the comforts of home. Our Cottage Bloom women's lightweight sock embodies the cushioned coziness and backyard beauty you might want to bring along with you when you return to the world. If you return to the world. - 52% Nylon, 45% Merino Wool, 3% Spandex Lycra