The 6 Best Trail Running Socks for Venturing Beyond the Pavement
A good pair will make your run better through managing moisture and heat; the wrong pair will ruin it.
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While I wouldn’t place socks above shoes in the Hierarchy of Importance for my next trail run, a good pair of trail running socks is paramount to enjoying time on your feet and not just suffering through the miles. The best trail running socks provide support and cushioning, are made with high-quality, sweat-wicking materials, and don’t rub or create friction (which can lead to hot spots and blisters). Most of my top picks have targeted venting and compression in a foot-mapped design, and all have a high percentage of natural fibers.
Trail running socks are a broad field though, and the best socks for you are whichever ones provide the right amount of cushioning for your preferences, climate, and shoes. Trail socks also come in a range of heights, from sleek no-shows to full-length crew socks. Some runners prefer models with a taller cuff to help keep debris out of their shoes, while others appreciate the freedom of a lower model. Here are my top choices for trail running socks for this year.
For more gear recommendations, check out our picks for the Best Running Socks, Best Running Gaiters, and Best Running Sunglasses.
Best Trail Running Socks
- Best Overall: Lé Bent Targeted Cushion 3/4 Crew Trail Sock
- Best for Hot Runs: Darn Tough Microcrew UL Cushion
- Most Durable: Darn Tough Light Hiker Quarter
- Best for Variable Temperatures: Smartwool Run Cold Weather Targeted Cushion Crew
- Best Blister-Resistance: Balega Ultraglide
- Best Cushion Minus 33 Ankle Trail Running Socks
What to Consider
Look for Zoned Mesh Depending on the Conditions
Most trail running socks include zoned mesh, which facilitates breathability through looser and thinner mesh panels that enhance airflow and ventilation in areas prone to heat and moisture buildup. This targeted design promotes efficient moisture wicking and faster drying, keeping feet cool and dry. This helps regulate foot temperature, reducing the risk of blisters, discomfort, and stink. Runners in hot climates should prioritize socks with this design, like Darn Tough’s Microcrew UL Cushion, which have active zoning that allows breathability and creates structure and support, including less material over the top of the foot with added structure for support, and thicker cushioning around the toes for both padding and abrasion-resistance.
Cuff Height
Socks come in a lot of heights, from no-show to knee-height compression socks. For trail running, I prefer a quarter, mini, or full crew that helps keep debris out of my shoes without feeling too constricting. Within that range, I’ll opt for lower socks for hot weather and taller socks for overgrown trails.
No-Show
The top of this cuff sits below the ankle bone and is barely visible above the collar of a running shoe. These socks aren’t my top pick for dirty or dusty trail runs, but I like them for hot days where I’m not worried about debris. These work best when the socks have a tab, like the Balega Ultraglide, which helps keep them from sliding down into your shoe.
Ankle
The top of the cuff sits right on the ankle bone. This are my preferred height for trails without much that could whack my shins or sneak into my shoes, as these socks provide a little more protection and pair well with lower trail-running gaiters, which sit right around the same height. These also work best when the socks have a tab or stretchy cuff, like Smartwool’s lower-height ankle socks.
Quarter Crew
Sometimes called micro-crew, these socks have cuffs that fully cover the ankle bone. These are my top pick for trail running, as they aren’t too tall to feel hot, but they do provide enough protection for most trails from abrasion and sand or debris.
Crew
These are usually the longest socks you’ll see for trail running, unless you’re opting for a compression-style, which have its place. For crew, the top of the cuff sits at (or slightly below) the middle of the calf, and provides the most protection against dirt and debris along with scratches if you find yourself bushwhacking.
Level of Cushioning
Trail running socks come in a few different levels of cushioning. I’ve found most runners prefer a moderate amount to balance comfort and protection without adding excessive bulk, providing adequate shock absorption to handle rough terrain while maintaining a responsive feel for better performance. I prefer to have a few options on hand depending on my outing.
No Cushion
Non-cushioned socks have no additional padding in the sock fabric. These are good for shorter runs, hot climates, or anything where you won’t be pounding. If you wear highly cushioned shoes, you might also prefer these socks.
Light Cushion
The sock material is thicker underfoot with reinforced fabric, but it still leaves a pronounced feel for the inside of a shoe and can have a more agile vibe than heavier pairs.
Medium Cushion
This is my go-to for trail running. These socks have additional padding underfoot, plus reinforced toes and heels. They take up a bit more space inside of a shoe, but not enough that I have to adjust the lacing.
Max Cushion
The underfoot padding is thick, plush, and immediately obvious in the shoe. Some runners prefer these for long, pounding runs or extra long days on the trail.
Material
Most trail running socks are a blend of merino and synthetic fabrics (including polyester and Lycra). Merino wool is renowned for its moisture-wicking properties, keeping feet dry and reducing the risk of blisters. It also provides excellent temperature regulation in all types of weather. Lycra adds stretch and durability, ensuring a snug fit that prevents slipping and bunching. If the socks have a higher percentage of Lycra and synthetic, they’ll have more compression and structure. A higher percentage of merino means a softer sock with better odor-resistance.
Price
While you can find cheap multipacks of socks (which work for some runners), most trail running socks from reputable brands fall in the same price range, and you can expect to spend between $18-24 per pair. It might seem expensive for socks, but it’s worth the investment. And while we typically include a “best value” selection among our recommendations, it’s hard to find a cheap pair that we trust to keep us cool and blister free.
How We Selected
I have been trail running, hiking, backpacking, and thru-hiking for more than a decade, and testing gear professionally for nearly as long. Testing in person with firsthand experience with updated sock models was important. I used my base knowledge of the category to narrow down my initial picks, then wore different socks for all of my trail runs.
For this update, I went through my testing notes from the past year of runs, hikes, and run-slash-hikes. I considered my new favorites like Le Bent’s 3/4 Crew Trail Sock as well as older standbys that resurfaced into my rotation, like the Balega Ultraglide. I also consulted reviews from Runner’s World editors and testers, since we run in different climates and our feet all have different needs. I also took notes from the original testing from editors in our overall best running socks article as well as my own testing for this year’s top crew socks. I picked a range of socks in weights, heights, and materials, but all fit true to size, wick sweat, dry quickly, and are effective at providing support while reducing blisters.
Full Reviews
Pros
- Excellent blend of wicking and cushion
- A smooth fit that doesn’t move inside shoes
- Addition of bamboo-derived rayon adds softness
Lé Bent blew me away this year with their updated sock line, and its Targeted Cushion 3/4 Crew displaced my top pick from last year. Built specifically for longer trail endeavors, this sock has ample cushion under the forefoot, a tighter arch weave for added support, and reinforced heels that don’t bunch up.
It uses a proprietary fit system that varies the weight and structure of the construction for an excellent, close fit that never feels constricting. The three-quarter crew height has become a go-to for my trail runs, providing just enough protection from overgrown trails and debris without feeling hot on warm days.
The socks vent well and wick sweat so well that I didn’t even realize my feet were getting hot, and I love the 30-percent rayon—a bamboo-derived fiber that feels incredibly soft when paired with merino. The nylon adds durability and the 4-percent elastane helps the socks retain their shape even when worn multiple days in a row, and they feel silky smooth on my feet.
I’ve also never had an issue with the cuff stretching or sliding down. These socks came out of left field to land as my top pick, but it’s well deserved and I predict many more miles with them this summer.
Key Specs
| Material | 30% bamboo rayon, 21% merino, 46% nylon, 4% elastane |
| Sizes | S–XL |
| Color Options | Gray, blue |
| Cushion | Medium |
Pros
- Highly odor resistant
- Lightweight shin protection for overgrown trails
- Arch support is subtle but appreciated
Cons
- Longer outings will require more cushioning
Not only are these socks ultralight and stretchy, they come in three different heights for versatility depending on conditions and temperature. If I’m on a run without much chance of debris falling into my shoes, I’ll grab the no-show or quarter-crew. Otherwise, the 7.5-inch microcrew is my top pick, offering just enough compression for support and a tall height to keep dirt out of my footwear.
The lightweight merino / synthetic blend is optimized for breathability in the heat, and these have never slid down on me or bunched up at the ankles. They have Darn Tough’s remarkable durability through all major contact points, and the top of the sock (connecting from foot to ankle) has a thinner construction to reduce flexion pressure.
These are made with a lower percentage of merino than other Darn Tough models (particularly hike-oriented or thicker socks) but that helps them breathe better while still maintaining the odor resistance and softness from the merino. Similar to my top pick, these socks have a 4-percent elastane (Lycra, in this case) that helps with shape retention without feeling too tight.
Key Specs
| Material | 49% merino, 47% nylon, 4% Lycra |
| Sizes | XS–XXL |
| Color Options | Graphic prints in blue, pink, green, gray |
| Cushion | Ultralight |
Pros
- High amount of synthetic helps these resist abrasion
- Low-cut profile is streamlined with running shoes
- Foot-mapped mesh at the top enhances breathability
Cons
- Limited size range, would love to see XL options
While I often opt for taller cuffs on my trail running socks, I like the look of a lower sock, and wear them when I’m not worried about overgrown trails. Darn Tough’s Light Hiker Quarter is a solid choice for both durability and cushion, and the hike-oriented padding offers more support for long days on foot. The increased durability comes in part from the majority of synthetic fibers (52% nylon) but it helps the socks maintain structure and abrasion resistance better than models with more fragile natural fibers.
These are technically a light-cushion sock, but I’ve found the heel and toe padding to be more than enough, and they have a slightly tougher build than pure running socks. The ankle-height cuff sits about an inch over my low-top running shoes, which creates a sleek silhouette without any issues of sliding down. They also do a decent job keeping debris out of my shoes, though not as much as something with a taller cuff like a micro or quarter-crew.
Despite their low cut, these feel quite supportive. Darn Tough extended the tighter structure up past the heel for more achilles support, and they feature tighter mesh weave across the top of the foot for breathability.
Key Specs
| Material | 52% nylon, 44% merino, 4% lycra |
| Sizes | S–L |
| Color Options | Gray, purple, teal |
| Cushion | Light |
Smartwool Run Cold Weather Targeted Cushion Crew
Pros
- Added padding in the toes for protection
- Strategic, zoned knit breathability
- More robust build for cooler weather
Cons
- Too warm for hot runs
These socks were one of my top-rated crew socks this year, and I have continued to wear them well into spring. The range is impressive, with a heavier material blend and build that helps trap warmth in cold weather, but enough mapping through the foot and cuff so they vent well in warmer temperatures. I wore these during snowy runs this winter and felt warm and protected, and also wore them on a 60-degree trail run this past week without feeling overheated.
One of my main issues with past Smartwool socks was that they had a tendency to stretch through the upper and lose elasticity in the cuffs, but their recently revamped “Indestructawool” technology has all but eliminated this. The new knitting technique helps the merino maintain its shape and structure, and I’ve noticed a better fit since they introduced it to the market. These socks are incredibly versatile, and while I wouldn't wear them on the hottest runs, they’re a great cold-weather and shoulder-season option for a range of conditions.
Key Specs
| Material | 56% merino, 41% nylon, 3% elastane |
| Sizes | S-L |
| Color Options | Medium-Light |
| Cushion | Graphic prints in pink, gray, and blue |
Pros
- Soft next-to-skin material blend
- Reinforced toes and heels without too much bulk
- Foot-mapped support on arches
Cons
- The low-cut lets some debris into your shoes
I have had some version of Balega’s Ultraglide for years now, and the thick padding and reinforced heel tab show no signs of wearing out or stretching. Made with Balega’s soft “Drynamix” material (a low-friction synthetic spun for softness next to skin), these socks have held their own in hot weather, after getting wet during creek crossings, and on off-camber trails where my feet are sliding around in my shoes.
Like my other top picks, these have strategic cushioning and support throughout the top and bottom of the sock, and the yarns are tailor-made for reducing friction. The toe and heel are seamless to further reduce rubbing, and my feet don’t sweat out in these thanks to the venting at the top.
These are the lowest-cut option on my list this year, with just a small heel tab poking out the top of my shoe. I’d warn against a low sock like this if you’re at all worried about debris getting into your shoes, but for stickier surfaces and a good fit through the shoe collar, a low-cut sock like this feels freeing.
I’ve heard these socks referred to as low cushion, but I’d call them a solid medium, with added material in the toe and more support in the heel than my lightest pairs.
Key Specs
| Material | 78% Drynamix polyester, 20% nylon, 2% elastane |
| Sizes | S-XL |
| Color Options | Medium |
| Cushion | Graphic prints in pink, gray, and blue |
Pros
- The lower cuff with a full cushion is a nice (and unusual) option
- Made in the US with sustainably sourced materials
- Can be worn multiple days in a row without losing shape
Cons
- Toe material can feel a little bulky
When crew socks feel too tall and a no-show isn’t protective enough, allow me to introduce you to Minus33’s ankle socks. The cuff of these socks sits just around 2 inches over the top of my shoe, which has proven to be an excellent middle ground between no-show and tall socks. They do a good job keeping dirt and dust out of my shoes, but feel airy and easy to wear. The 59-percent merino is soft and wicking, and despite the slightly heavier material through the bottom, I’ve never felt too hot in these.
They have a nice stretch over the arch of the foot that doesn’t bunch up in my shoes, and the short height with higher levels of cushion is a rare combo that I appreciate for days with a lot of pounding descent in the heat. These are strategically mapped with lighter material at flexion points and added padding in the toes and heel, and my only gripe is that sometimes the toe material can feel a little bulky.
Otherwise, these made-in-the-US socks are reasonably priced and beautifully made, and I’ve seen no wear and tear on the pair I’ve had for over a year.
Key Specs
| Material | 59% merino, 40% nylon, 1% Spandex |
| Sizes | S-XL |
| Color Options | Full |
| Cushion | Black, green, tan, gray, teal, red, graphic blue |
FAQ with Maggie Slepian
What is the best material for trail-running socks?
The best material for trail running socks is a combination of natural and synthetic fibers. Natural fibers like merino (and increasingly, alpaca wool) provide odor resistance during long efforts, and are comfortable next to skin. They help wick sweat to keep your feet dry, and are naturally antimicrobial. The synthetic blend adds structure, stretch, and durability. Most of our top picks are a blend of the two, but if you prefer fully synthetic, you'll get a very sturdy sock that might not have the most odor resistance. Choose fully natural fibers and you'll have a soft sock that won't' last quite as long.
Can I wear normal socks for trail running?
While you can wear standard (cotton) socks for trail running, we don't recommend it. Trail running socks are designed to provide cushion and support, and to fit in a way that allows your feet to breathe without having too much bulk. They're also made with wicking fibers that stay dry even when your feet are sweaty and don't shift or rub in your shoes to cause blisters.
How thick should trail running socks be?
Look for a light- to-midweight sock that includes added cushion around the heels and toes. The socks should fit comfortably around your feet without feeling too compressive, and you don't want any extra material bunching up at the front or back. That's a recipe for hot spots and blisters. Trail running socks are also usually built with a foot-mapped design that has less material around the arch and top, which gives you the best of both worlds with protection and support.
Maggie Slepian is a full-time freelance writer in the outdoor industry and has tested gear professionally for almost ten years—she is an avid backpacker, trail runner, bikepacker, and horseback rider and has thru-hiked thousands of miles on the Appalachian, Colorado, and Ouachita trails, along with backcountry travel on terrain including coastal trails, the desert, and high alpine peaks. Maggie has written for New York Magazine, Huffington Post, REI, and Outside. She is a columnist with Backpacker Magazine and is the co-founder of BackpackingRoutes.com. Contact her at MaggieSlepian.com.
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