Smartwool

Your baby can't get much cuter once they have the Bootie Batch on. The batch comes as a 3-pack, which features two fun, vibrant patterns.

An arch brace holds the sock in place and adds additional support, while a flat-knit toe seam keeps you comfortable throughout the day. Perfect for...

This ultra-light, non-cushioned sock provides a close, lightweight fit that acts as your second skin to minimize friction and blisters. The flat kn...

This all-purpose sock was designed for rugged day hikes or moderate backpacking. An arch brace holds the sock in place and adds additional support....

Perfect for getting out past cell service, our Striped Hike Medium Crew socks add some personality to our classic hiking sock. Keep your feet looki...

We added some height to our Hunt Medium Crew so they'd fit just right, even in your tall boots. The arch and ankle support system means these socks...

Slip in to the ultimate in hidden comfort! Our Stripe Hide and Seek No Show feature premium construction, ultra luxurious hand feel and an interna...

Get ready for ski racing season with this lightly cushioned ski sock. Thanks to its flat-knit toe seam, it's guaranteed not to let up on comfort wh...

We've innovated our Classic Hiking line with the Hiking Ultra Light Mini. For the day hiker, this sock adds just a little bit of cushion. An open, ...

Meet the one sock you'll need all winter. These rugged socks give a nod to classic ragg wool but offer the comfort and benefits of modern Merino. S...

Our Men's Merino 150 Boxer Shorts takes all of the tech you love from our boxer briefs-lightweight, breathable, anti-stink Merin - and adds a loose...

We've updated the fit of our Men's Merino 250 Base Layer 1/4 Zip to improve functionality while also enhancing aesthetics. As one of our heaviest b...

Our best selling and warmest baselayer just got a little more refined with an improved fit, chafe-free seam construction and panels that offer more...

We've updated our Men's Merino 250 Base Layer Bottom to bring you a better fitting, more functional tight. The technical benefits of 100% Merino wo...

Made from our warmest baselayer fabric, these bottoms will keep you warm even on the coldest summits. Features a covered elastic waistband, flatloc...

Meet the better-than-ever Men's Merino 250 Base Layer Crew. We've updated this 100% Merino wool fan-favorite with new colors and a new fit to impro...

With a pair of our Merino 250 Jogger Bottoms in your drawer, you'll be wishing for more cold-weather weekends. Merino next to your skin offers thum...

Experience durability at its peak with the PhD Outdoor Light Crew. Featuring Indestructawool technology, a patent-pending wool-based durability con...

A favorite of through-hikers and day-trippers alike, the PhD Outdoor Light packs some serious trail power. Featuring a versatile, multi-sport desig...

Extra-heavy cushioning will keep your feet warm and dry when you're mountaineering, ice climbing or multi-day backpacking. Arch brace holds the soc...

Venture further and stay warmer with the PhD Outdoor Heavy Crew. Heavy cushioning and the power of Merino help keep your feet warm, dry and comfort...

An ankle-high powerhouse, the PhD Outdoor Light Mini is made for mileage. Great for long summer treks, it combines support, stretch, and recovery. ...

It's time to move new mountains. And there's no better sock to do it in than the PhD Outdoor Light Pattern Crew. Featuring a colorful, geometric pr...

For a sock that has it all, look no further: the PhD Outdoor Medium Crew offers fit, comfort and durability wrapped together in one smart sock. Fea...

Get everything from warmth to in-boot cushioning to a fun pattern with our PhD Outdoor Medium Pattern Crew socks. This is a cushioned sock that pro...

We worked with athlete Rob Krar to create the ultimate ultra-run sock. This purpose-built sock features Shred Shield technology to reduce wear from...

When you're out there, the last thing you want to think about is your feet. That's why we made the PhD Pro Medium Crew with Indestructawool‚Äö√Ñ√∂‚...

It's time to take "burr" out of your running vocabulary. Stride out in our PhD Run Cold Weather Mid Crew. A Merino blend and mesh zones designed fo...

Our best fitting, most advanced run socks yet, we packed years of testing, prototypes and running smarts into these socks. Featuring Light Elite cu...

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 he...

Our PhD Outdoor Ultra Light Monster Camping Print Crew is our thinnest outdoor sock great for hiking, running, cycling, and everything outdoors. Th...

Perfect for getting out past cell service, our Striped Hike Medium Crew socks add some personality to our classic hiking sock. Keep your feet looki...

Our classic, year-round staple is back and better than ever. We’ve given the Cable an update, increasing the durability and adding fresh colors to ...

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 ...