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

FEATURES

• Sock Height: Micro
• Virtually Seamless™ toe for enhanced comfort
• Achilles tab designed to prevent sock from slipping down into footwear
• 1.5" overall height
• Made in USA of Imported Yarn: 56% Merino Wool, 41% Nylon, 3% Elastane

BENEFITS

PhD®
Built for Performance in the Highest Degree

Women's Specific Fit
Women's specific fit; narrower heel and slimmer fit

4 Degree™ Elite Fit System
For a dialed, performance-oriented fit with flex zone at ankle joint

Indestructawool™
Indestructawool™ technology features a patent-pending construction method for exceptional durability and comfort

Mesh Venting
Mesh ventilation zones provide optimum moisture management and maximum breathability

Light Elite Cushioning
Maximum impact protection with targeted cushioning on the ball and heel of the foot. Designed specifically for runners.

CARE

• Machine Wash Warm, Wash Inside Out.
• Do Not Bleach.
• Tumble Dry Low.
• Do Not Iron.
• Do Not Dry Clean.

This Micro Crew has earned a hallowed place in the hearts of many a through-hiker who demand more from a sock. Comfort, durability and fit that never rests.

FEATURES

• Performance Fit: No slipping, no bunching, and no blisters.
• Fine Gauge Knitting: Unprecedented durability and 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: The ultimate fiber for breathability and comfort in all conditions.
• True Seamless: Undetectable seam fusion for an ultra smooth, invisible feel.

SPECS

• Cushion: Mid-level cushion density under foot. A warm and ultra-comfortable choice when conditions demand it.
• Micro Crew Height: A shorter, more concise take on the traditional crew height. Peeks just above the top of a standard hiking boot.
• 59% Merino Wool, 39% Nylon, 2% Lycra Spandex

In savage summer heat the Vertex Running Series socks made with Coolmax are designed to keep their cool. Combine that with a sock that weighs in at a mere 13 grams and you have the ultimate warm weather running companion.

FEATURES

• Performance Fit: No slipping, no bunching, and no blisters.
• Fine Gauge Knitting: Unprecedented durability and 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.
• Coolmax: Engineered to move moisture away from your skin and dry fast in warm conditions.
• True Seamless: Undetectable seam fusion for an ultra smooth, invisible feel.

SPECS

• Ultra-Light: Our lightest sock for race day or anyone looking for a lighter-than-air feel from a tougher than hell sock.
• No-Show Height: The toughest sock you’ll never see. When your shoes are on this sock is gone.
• 54% Nylon 40% Coolmax Polyester 6% Lycra Spandex

Smartwool added some new tech to our No Show socks—Shred Shield™ technology to help reduce wear from toes and a seamless opening to help minimize pressure points from your favorite low-profile shoes. These low riders will give you all the benefits of Merino wool with a 'barely there' peek of color showing out of your shoe.

As of 11/1/19, Smartwool updated the No Show socks to fit better and stay in place. Wear them with confidence with our 100% Satisfaction Guarantee.

FEATURES

• Sock Height: No Show
• Virtually Seamless™ toe for enhanced comfort
• Internal gripper at heel to secure sock fit
• Seamless opening reduces pressure points and enhances comfort
• Supportive arch brace
• Made in USA of Imported Yarns: 60% Merino Wool, 38% Nylon, 2% Elastane
• Style: SW003850

BENEFITS

Women's Specific Fit
Women's specific fit; narrower heel and slimmer fit

Ultra Light Cushion
Non-cushioned for maximum performance in close-fitting shoes

Shred Shield™
Shred Shield helps reduce wear from toes

CARE

• Machine Wash Warm, Wash Inside Out.
• Do Not Bleach.
• Tumble Dry Low.
• Do Not Iron.
• Do Not Dry Clean.

Experience durability at its peak with the PhD® Outdoor Light Crew. Featuring Indestructawool™ technology, a wool-based durability construction, these hiking socks are ready for any adventure on your list. Plus, with body-mapped mesh zones, a Virtually Seamless™ toe, and our 4 Degree™ elite fit system, these ZQ-Certified Merino wool socks have comfort covered. The women’s-specific fit provides an overall slimmer fit and narrower heel.

FEATURES

• Sock Height: Crew
• Virtually Seamless™ toe for enhanced comfort
• 7.5" overall height
• Made in USA of Imported Yarn: 58% Merino Wool, 39% Nylon, 3% Elastane

BENEFITS

PhD®
Built for Performance in the Highest Degree

Women's Specific Fit
Women's specific fit; narrower heel and slimmer fit

4 Degree™ Elite Fit System
For a dialed, performance-oriented fit with flex zone at ankle joint

Indestructawool™
Indestructawool™ technology features a patent-pending construction method for exceptional durability and comfort

Mesh Venting
Mesh ventilation zones provide optimum moisture management and maximum breathability

Light Cushion
The ideal cushion for varied trail and road terrain

CARE

• Machine Wash Warm, Wash Inside Out.
• Do Not Bleach.
• Tumble Dry Low.
• Do Not Iron.
• Do Not Dry Clean.

The PhD® Outdoor Light Micro is made for the trail. Featuring Indestructawool™ technology for ultimate durability, Smartwool 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. 

FEATURES

• Sock Height: Micro
• Virtually Seamless™ toe for enhanced comfort
• 1.5" overall height
• Made in USA of Imported Yarn: 60% Merino Wool, 38% Nylon, 2% Elastane

BENEFITS

PhD®
Built for Performance in the Highest Degree

Women's Specific Fit 
Women's specific fit; narrower heel and slimmer fit

4 Degree™ Elite Fit System
For a dialed, performance-oriented fit with flex zone at ankle joint

CARE

• Machine Wash Warm, Wash Inside Out.
• Do Not Bleach.
• Tumble Dry Low.
• Do Not Iron.
• Do Not Dry Clean.

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.

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: The ultimate fiber for breathability and comfort in all conditions.
• True Seamless™: Undetectable seam fusion for an ultra smooth, invisible feel.

SPECS

• Light Cushion: Light and strong with a thin layer of cushioning along base of foot. Darn Tough's most versatile construction.
• Micro Crew Height: 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

In savage summer heat our Vertex Running Series socks made with Coolmax® are designed to keep their cool. Combine that with a sock that weighs in at a mere 13 grams and you have the ultimate warm weather running companion.

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.
• Coolmax®: Engineered to move moisture away from your skin and dry fast in warm conditions.
• True Seamless™: Undetectable seam fusion for an ultra smooth, invisible feel.

SPECS

• Ultra-Light: Our lightest sock for race day or anyone looking for a lighter-than-air feel from a tougher than hell sock.
• No-Show Height: The toughest sock you’ll never see. When your shoes are on this sock is gone.
• 54% Nylon 40% Coolmax® Polyester 6% Lycra® Spandex

The cushion in the Element gets praised as a rebounding bed of comfort. But what you may not know is the cushion in the Athletic sock line is knit with a durability even we hadn’t seen. And halfway through whatever it is you’re dominating, it might blow your mind to think, above it all are mesh panels venting from on top of the foot. Because let’s face it, you’re on fire.

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: The ultimate fiber for breathability and comfort in all conditions.
• True Seamless™: Undetectable seam fusion for an ultra smooth, invisible feel.

SPECS

• Light Cushion: Light and strong with a thin layer of cushioning along base of foot. Darn Tough's most versatile construction.
• No-Show Height: The toughest sock you’ll never see. When your shoes are on this sock is gone.
• 53% Nylon 44% Merino Wool 3% Lycra® Spandex

A Smartwool® favorite, the Margarita takes on a south of the border flavor in its authentic festive colors. The non-cushioned crew sock can be worn year-round.

FEATURES

• Sock Height: Crew
• Signature Smartwool® sock
• Made in USA of Imported Yarn: 61% Merino Wool, 37% Nylon, 2% Elastane
• Style: SW0SW717

BENEFITS

Women's Specific Fit
Women's specific fit; narrower heel and slimmer fit

Ultra Light Cushion
Non-cushioned for maximum performance in close-fitting shoes

CARE

• Machine Wash Warm, Wash Inside Out.
• Do Not Bleach.
• Tumble Dry Low.
• Do Not Iron.
• Do Not Dry Clean.

A Smartwool® favorite, the Margarita takes on a south of the border flavor in its authentic festive colors. The non-cushioned crew sock can be worn year-round.

FEATURES

• Sock Height: Crew
• Signature Smartwool® sock
• Made in USA of Imported Yarn: 61% Merino Wool, 37% Nylon, 2% Elastane
• Style: SW0SW717

BENEFITS

Women's Specific Fit
Women's specific fit; narrower heel and slimmer fit

Ultra Light Cushion
Non-cushioned for maximum performance in close-fitting shoes

CARE

• Machine Wash Warm, Wash Inside Out.
• Do Not Bleach.
• Tumble Dry Low.
• Do Not Iron.
• Do Not Dry Clean.

Wearing the Popcorn Cable is like wearing your favorite comfy sweater on your feet. Bursting with varying texture zones and patterns, this cushioned style is one of our most comfortable socks ever.

FEATURES

• Sock Height: Knee High
• Signature Smartwool® holiday sock
• Women's specific fit: narrower heel and overall slimmer fit
• Made in USA of Imported Yarn: 77% Merino Wool, 22% Nylon, 1% Elastane
• Style: SW010052

BENEFITS

Women's Specific Fit
Women's specific fit; narrower heel and slimmer fit

Medium Cushion
Medium cushioning for impact absorption and warmth

CARE

• Machine Wash Warm Gentle Cycle.
• Do Not Bleach.
• Tumble Dry Low.
• Do Not Iron.
• Do Not Dry Clean.

Another popular sock with the ladies at Smartwool®, the cushioned Saturnsphere keeps feet warm, dry and comfy.

FEATURES

• Sock Height: Crew
• Signature Smartwool® sock
• Supportive arch brace
• Made in USA of Imported Yarn: 63% Merino Wool, 36% Nylon, 1% Elastane
• Style: SW0SW725

BENEFITS

Women's Specific Fit
Women's specific fit; narrower heel and slimmer fit

Medium Cushion
Medium cushioning for impact absorption and warmth

CARE

• Machine Wash Warm, Wash Inside Out.
• Do Not Bleach.
• Tumble Dry Low.
• Do Not Iron.
• Do Not Dry Clean.

The Women's Texture Mini Boot Sock is perfect for your everyday boots, loafers, or dress shoes. It uses ribbing throughout the sock and a narrower heel for a comfortable women's-specific fit.

FEATURES

• Sock Height: Mini
• Ribbing throughout sock
• 2.5" Overall height
• Made in USA of Imported Yarn: 73% Merino Wool, 26% Nylon, 1% Elastane
• Style: SW004009

BENEFITS

Women's Specific Fit
Women's specific fit; narrower heel and slimmer fit

Ultra Light Cushion
The absolute minimum between you and your shoes.

Shred Shield™
Shred Shield helps reduce wear from toes

CARE

• Machine Wash Warm, Wash Inside Out.
• Do Not Bleach.
• Tumble Dry Low.
• Do Not Iron.
• Do Not Dry Clean.

Inspired by Irish wheat fields, this style brings the performance of no-stink Merino to your everyday adventures. Donegal yarn adds soft color to the Natural and Sunglow Heather color ways

FEATURES

• Sock Height: Knee High
• Supportive arch brace
• Women's specific fit: narrower heel and overall slimmer fit
• Novelty donegal yarn
• Made in USA of Imported Yarns: 83% Merino Wool, 15% Nylon, 1% Elastane, 1% Rayon
• Style: SW0SB615

BENEFITS

Women's Specific Fit
Women's specific fit; narrower heel and slimmer fit

Light Cushion
Light cushioned for impact absorption and warmth

CARE

• Machine Wash Warm, Wash Inside Out.
• Do Not Bleach.
• Tumble Dry Low.
• Do Not Iron.
• Do Not Dry Clean.

Smartwool 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 Indestructawool™ technology designed for added durability and an Achilles tab designed to help prevent sock slippage. And by adding brand-new Shred Shield™ technology to one of Smartwool's best running socks, the wear and tear from toes is reduced, helping you push toward your finish line and achieve higher mileage.

FEATURES

• Sock Height: Micro
• Virtually Seamless™ toe for enhanced comfort
• Achilles tab designed to prevent sock from slipping down into footwear
• Made in USA of Imported Yarns: 48% Merino Wool, 48% Nylon, 4% Elastane

BENEFITS

PhD®
Built for Performance in the Highest Degree

Women's Specific Fit
Women's specific fit; narrower heel and slimmer fit

4 Degree™ Elite Fit System
For a dialed, performance-oriented fit with flex zone at ankle joint

Indestructawool™
Indestructawool™ technology features a patent-pending construction method for exceptional durability and comfort

Mesh Venting
Mesh ventilation zones provide optimum moisture management and maximum breathability

Light Elite Cushioning
Maximum impact protection with targeted cushioning on the ball and heel of the foot. Designed specifically for runners.

CARE

• Machine Wash Warm, Wash Inside Out.
• Do Not Bleach.
• Tumble Dry Low.
• Do Not Iron.
• Do Not Dry Clean.