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

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

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.

Our Women’s Run Zero Cushion Low Ankle socks offer the comfort and durability that will help make every mile feel good. Indestructawool™ and Shred Shield™ technologies increase the sock’s durability, while the 4 Degree™ elite fit system, Virtually Seamless™ toe, women's specific fit, and breathable mesh zones increase its comfort. No matter if you’re hitting the trail, the pavement, or the treadmill for some good old-fashioned training miles, be sure your gear includes the sock that will help you stay comfortable on every stride.

Features

Whether you run on a treadmill, on a sidewalk, on a track, or on a trail, your feet should stay as comfortable as possible. These low ankle socks are built to help with that. They offer a performance-oriented fit, breathability, and reduced slippage. Plus, their Indestructawool™ technology helps them last through the miles, and the targeted cushioning on the ball and heel of the foot add just the right support. And because they’re made with ZQ-certified Merino wool, they’re comfortable and odor-resistant. For better comfort on your next run, choose our Run Targeted Cushion Low Ankle sock.

Features

Running can be grueling, but that doesn’t mean it has to be completely uncomfortable. With our Men’s Zero Cushion Low Ankle run socks, you get the comfort and durability that will help make every mile feel good. From the Virtually Seamless™ toe to the breathable mesh zones and from the Indestructawool™ technology to the Achilles heel tab to reduce slippage, this sock offers purpose-driven features that help you get the work done. So if you’re ready to hit the trail, the pavement, or the treadmill for some good old-fashioned training miles, be sure your gear includes the sock that will help you stay comfortable for the long haul.

Features

We've never met a trail we didn't like. The same goes for our Hike Targeted Cushion Mid Crew Socks. With precise cushioning where you need it most, this is the pair that helps every mile feel good. Featuring a 4 Degree™ Elite Fit System with strategic stretch and mesh zones for added breathability, while helping prevent blisters. Plus, Indestructawool™ technology for added durability. So no matter how far you hike, this pair's ready to help you go farther.

Features

Support your feet through all types of trails in our Hike Targeted Cushion Crew Socks. Feel precise cushioning where you need it most, with a 4 Degree™ elite fit system for a dialed-in, performance-oriented fit, plus Indestructawool™ technology for added durability. Breathable mesh zones help keep your feet feeling good, while the comfort welt makes sure these socks never  slip in your boots.

Features

Our Hike Light Cushion Pattern Ankle Socks 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 we've updated our mesh zones to help improve breathability without sacrificing the perfect sock fit. Combine these features with a light cushion on the entire bottom of the foot and you get a sock that provides the highest degree of comfort, fit, and durability—helping you take care of your feet on any trail.

Features

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

With a mid crew height and a comfort welt with “stay put” fit, the Hike Light Cushion Mid Crew shows just enough of its personality above the shoe while protecting all of your comfort inside of it. This sock features Indestructawool™ technology for increased durability, updated mesh zones for less pressure, and a 4 Degree™ elite fit system to match your foot just right. Plus, with the comfort of responsibly sourced Merino wool, these men's wool socks will elevate any hiking experience.

Features

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.