All Shop More Synthetic Socks

This blink-and-you’ll-miss-me, ultra-lightweight sock is knit with Coolmax® yarn that chills out when your run heats up. Featuring a silky, chafe-eliminating cuff, high-performance flex zones and supportive fit that are in it all the way on all the days.

Heat on the trail comes in many forms. From hot and humid to dry and searing to just plain old mean and nasty. This Coolmax® air conditioner of a sock offers cooling comfort on even the balmiest of days.

When summer temps say no, these socks say hell-to-the-yes. Our ultra-lightweight no show Coolmax® running sock wicks moisture and keeps the air flowing for vegan-friendly feet, keeping you dry and cool and your strides blister-free.

We swapped out Merino Wool for Coolmax® in this ¼ sock redesign. Allergic, vegan, whatever the reason, we’re just happy you’re getting after it. With trail-ready coverage, plush upper ribbing, performance arch support and targeted cushioning you’ll tackle the most demanding miles comfortably.

Sometimes even the hottest days call for a full cushioned, workhorse of a sock. That's when this burly trail legend shines. Trail proven, thru-hiker approved.

The ultimate companion for hot summer hikes. Coolmax® moves moisture away from your skin and dries fast while legendary Darn Tough construction brings comfort, durability and fit to the trail.

Like a cool wind that greets you on the summit. The Overlook brings Coolmax® comfort when the mercury rises. Vetted by thru-hikers who demand the ultimate in comfort, durability and fit when the trail heats up.

Get back to basics with this black and white sock bundle – quarter-height, ultra-light, and a fit just right you’ll forget they’re on your feet.

Cold feet? The struggle is real. For the never warm, our synthetic Due North ski/ride socks are built for two purposes: warmth and longevity. The hollow, moisture-wicking fibers from our 100% recycled THERMOLITE® ECOMADE materials trap heat and insulate feet with a soft, dry layer that protects you from hot spots, holey socks, and the need for frequent visits to the lodge to thaw out.

Dedicated to and inspired by the legendary 10th Mountain Division, the Beer Badge sock honors this alpine army division. Known for their heroics during WWII and contributions to the ski industry, this sock is about as close to buying these veterans a beer as you can get. Plus, the new THERMOLITE® ECOMADE synthetic fabric adds warmth, comfort, and durability for long days in the ski/ride boots.

Objects in the mirror may be comfier than they appear. Mindfully knit using super-soft Coolmax(R-ball) yarn, this colorful Micro Crew is like night and day from your 'other' synthetic socks. Moisture-wicking and durable, the Mirror Lake is guaranteed to inspire reflection wherever you stop to soak up the view.

Ski and ride with all the feels. Slip into the synthetic version of our lightest women’s snowboard and ski sock for a seamless and dreamy connection to your boots and all the adventures you’re riding on.

Our premier RFL next-to-skin fit and feel, knit from lightweight synthetic THERMOLITE®. Enhanced boot connection, breathability and Darn Tough durability? Check, check and check.

Living life on the edge just got a little more (way more) comfortable thanks to this knit’s ergonomic fit. Packed with sock tech and futuristic style, this version of the Men’s Edge – made entirely of THERMOLITE® Eco Made synthetics – is your ticket to a soft, supportive, and irritant-free ride.

This style offers the same sleek design and performance benefits as our original women’s Edge but is made from 100% recycled PET bottles known as “THERMOLITE® Eco Made,” instead of Merino Wool. This sustainable yarn provides Midweight warmth, comfort, durability, and style.