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.

S - women's size 4-6.5, M - women's size 7-9.5, L - women's size 10-12.5

• 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

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.

S - women's size 4-6.5, M - women's size 7-9.5, L - women's size 10-12.5

• 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

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.

• Signature Smartwool® Holiday sock
• Sock Height: Crew

• Made in USA of Imported Yarn: 81% Merino Wool, 18% Nylon, 1% Elastane

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.

S - women's size 4-6.5, M - women's size 7-9.5, L - women's size 10-12.5

• 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

Add some style to your socks by grabbing a pair of our Women's PhD® Run Light Elite Marble Wash Print Micro socks. They're built to bring you everything you need to go farther, including our Indestructawool™ technology for enhanced durability, our Virtually Seamless™ toe for added comfort, and our 4 Degree™ elite fit system for a dialed, performance-oriented fit. With all of this performance and a fashion-forward look, you've found your new favorite funning socks.

• Sock Height: Low Ankle
• Indestructawool™ technology for enhanced durability
• 4 Degree™ elite fit system for a dialed-in, performance-oriented fit
• Body-mapped mesh zones for added breathability

• Virtually Seamless™ toe for enhanced comfort
• Achilles tab designed to prevent sock from slipping down into footwear
• Made in the USA of Imported Yarn: 57% Merino Wool 40% Nylon 2% Elastane 1% Polyester

S - women's size 4-6.5, M - women's size 7-9.5, L - women's size 10-12.5

Whether you run on a track, on a sidewalk, or on a trail, you want your feet to stay as comfortable as possible. These low ankle socks are built to help with that. They offer a dialed-in women's specific fit, breathability, and reduced slippage. Plus, their Indestructawool™ technology helps them last through the miles. And because they’re made with responsibly sourced Merino wool, they’re comfortable and odor-resistant. For better comfort on your next run, choose our Women’s Run Targeted Cushion Low Ankle sock.

S - women's size 4-6.5, M - women's size 7-9.5, L - women's size 10-12.5

This women’s ski sock’s full cushioning means that you’ll have added protection and warmth to ensure that you can enjoy a full day carving turns in the hills. With numerous comfort features and a women’s specific fit, this sock is constructed with the serious skier or boarder in mind. The slopes are calling! Answer them.

S - women's size 4-6.5, M - women's size 7-9.5, L - women's size 10-12.5

Features

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.

• Sock Height: Crew
• Signature Smartwool® sock

• Made in USA of Imported Yarn: 61% Merino Wool, 37% Nylon, 2% Elastane

An ankle-high powerhouse, the PhD® Outdoor Light Mini is made for mileage. Great for long summer treks, this performance hiking sock combines support, stretch, and comfort 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, these are sure to help you go far and feel good on any adventure. 

• Sock Height: Mini
• Virtually Seamless™ toe for enhanced comfort

• 3.75" overall height
• Made in USA of Imported Yarn: 58% Merino Wool, 40% Nylon, 2% Elastane

100% Merino. 100% capable. Smartwool Women's Classic Thermal Merino Base Layer Bottom is always ready for what's ahead and what's next. With a fit updated to improve functionality while enhancing aesthetics for a range of body shapes and a flatlock seam construction designed to minimize chafing, comfort is never in question. Get yourself a pair or two of our best base layer pants and conquer the cold with more confidence than ever.

Meet the new and improved Smartwool Women's Classic Thermal Merino Base Layer Crew. The 100% Merino wool fan favorite with new color options and an enhanced fit to improve functionality while elevating aesthetics. The addition of shoulder panels and its flatlock seam construction help prevent chafing and increase your comfort level. Add one of our best base layers for cold weather to your winter wardrobe and experience the difference the next time you go skiing, hiking, climbing, or biking.

For dependably comfortable, reliably durable women’s wool hiking socks, these are just the thing. Constructed from a blend of soft, responsibly sourced Merino wool and recycled nylon for sustainability, this sock will wow you with its features and charm you with its saucy style. Its numerous stay-put and perfect-fit attributes will have you practically skipping along every trail. Hike on!

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..)

• 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"