Two people sit on red rocks under a clear blue sky, clad in athletic gear and GORUCK Merino Challenge Socks - Trail Cuff. One carries a blue backpack, while the other holds a can; both are smiling as they enjoy their adventure in this desert-like paradise, confident in the Scars Lifetime Guarantee accompanying their journey.
Two people sit on red rocks under a clear blue sky, clad in athletic gear and GORUCK Merino Challenge Socks - Trail Cuff. One carries a blue backpack, while the other holds a can; both are smiling as they enjoy their adventure in this desert-like paradise, confident in the Scars Lifetime Guarantee accompanying their journey.
A pair of GORUCK's Merino Challenge Socks - Trail Cuff in gray, crafted from Merino wool, showcases a subtle dark pattern around the heel and toe. These socks, made in the USA, are arranged standing next to each other against a plain white background.
Clad in dark apparel with the Merino Challenge Socks featuring a protective Trail Cuff by GORUCK, an individual strides across a grassy hilltop enveloped by misty, forested mountains. The overcast sky enhances the serene and secluded ambiance.
Two adventurers wearing backpacks hike along the desert trail under a blue sky with scattered clouds. Rocky mountains and dry vegetation create a scenic, rugged landscape, while their Trail Cuff Merino Challenge Socks from GORUCK ensure comfort on this wild journey.
A person in a green jacket and black pants walks along a misty lakeshore, the dense evergreen trees framing their path. The overcast sky enhances the serene atmosphere, while their GORUCK Merino Challenge Socks - Trail Cuff ensure comfort with every step.
A person wearing waterproof shoes steps into a shallow, flowing stream, causing a splash. The scene is outdoors with blurred greenery in the background. The focus is on the shoe and water where the GORUCK Merino Challenge Socks - Trail Cuff offer snug protection.
A person sporting GORUCK's Merino Challenge Socks - Trail Cuff in gray is adjusting their black hiking shoe, gearing up for a trek. The scene takes place outdoors on a dirt path, with an emphasis on the hands and shoes, capturing the adventurous spirit of the Trail Cuff and the confidence provided by Scars Lifetime Guarantee.
A person clad in black pants and Merino Challenge Socks - Trail Cuff by GORUCK strides across a fallen tree trunk in the forest. The socks, designed for rugged terrain, navigate the verdant surroundings with ease as trees and greenery envelop the serene scene.
Clad in GORUCK's Merino Challenge Socks - Trail Cuff, a person in winter clothing walks across a snow-covered landscape with snow-capped mountains and a dense forest in the background under a clear blue sky, while mist gently rises from the snow in the bright sunlight.
Close-up of a person wearing waterproof shoes and dark pants with GORUCK Merino Challenge Socks featuring Trail Cuff detailing, stepping into a puddle as water splashes up. The black shoes boast gray accents and a rugged sole, perfect for outdoor activities.
Two adventurers, clad in outdoor gear, navigate a shallow, muddy trail surrounded by lush foliage. The leader sports a backpack and Merino Challenge Socks - Trail Cuff from GORUCK for comfort, while the follower keeps pace. Their journey through nature speaks to the spirit of adventure and exploration.
A person wearing GORUCK's Merino Challenge Socks - Trail Cuff and carrying a backpack walks along a narrow path beside a flowing stream in a lush, dense rainforest. The scene is filled with vibrant green foliage, creating an atmosphere that is both humid and serene.
A pair of black Merino Challenge Socks - Trail Cuff by GORUCK features a small triangular logo near the cuff and branding text on the toes. Made in the USA, these ankle-length socks stand upright against a plain white background.
Two people wearing beige pants and black hiking shoes, featuring the GORUCK Merino Challenge Socks - Trail Cuff, sit on a rocky, dirt surface. The focus is on their legs and footwear. Cars are partially visible in the blurred background, adding an adventurous touch to the scene.
Clad in tactical gear, including a weighted vest and hat, an individual hauls large weighted bags across a grassy field. Their feet stay comfortable in GORUCK's Merino Challenge Socks - Trail Cuff paired with rucking shoes. A brown rucksack is secured to their back, while a blue SUV is parked near a line of trees in the background.
A person outfitted in a blue top, black leggings, a backpack, and durable rucking shoes is captured mid-jump over a rocky stream in a natural landscape with dry grass and trees, wearing GORUCK's Merino Challenge Socks - Trail Cuff.
A woman with a backpack strolls along the boardwalk toward a small wooden structure, embraced by lush green foliage. Sporting a blue top and black leggings, she steps confidently in GORUCK Merino Challenge Socks - Trail Cuff boots, her hair tied in a ponytail.

Merino Challenge Socks - Trail Cuff

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BEST-IN-CLASS WOOL SOCKS MANUFACTURED IN THE USA

We put our feet through hell, so our socks must meet the highest standards—no blisters, no friction where the sock meets the shoe. 

Enter the Merino Wool Challenge Sock - Trail Cuff. Built for short rucks or sandbag workouts in your driveway, these socks won’t wear thin or lose shape. They’ll keep your feet dry and, even after days of use, they don’t stink. They are an ideal match with the Mackall All-Terrain Rucking Shoes (trust us, you won’t regret it).

They’re unconditionally backed by our Scars Lifetime Guarantee and proudly made in the USA.

Socks are final sale and not eligible for returns or exchanges.

COTTON IS ROTTEN

54% MERINO WOOL // 42% NYLON // 4% SPANDEX // PROUDLY 0% COTTON

It’s not just the materials, it’s the construction.

  • We reinforced the high-wear areas in the toes and heels with extra NYLON to reduce friction and add toughness.
  • The sock body is optimized with more MERINO to breathe better so your feet stay dry longer.

MERINO WOOL

Merino wool is durable, soft on the skin and won’t itch like traditional wool.

Merino wool is breathable and regulates body temperature, even when wet.

NYLON

Nylon is one of the strongest, most durable synthetic fibers available. There’s a reason our rucksacks are built out of CORDURA®. 

We use fine nylon fiber with excellent abrasion resistance, which also helps to reduce friction and prevent blisters.

Spandex

Spandex aka elastane is the industry standard for stretch and durable elasticity. 

The right ratio of spandex maintains the shape and fit for the life of the sock without compromising durability.

POLYPROPYLENE

Polypropylene is lightweight, breathable, and sweat-wicking.

This was added to the composition of our Merino Wool socks so that they don't hold as much heat when you're on the move. This is especially helpful in those areas that are prone to blistering.

UNCONDITIONAL SCARS LIFETIME GUARANTEE

Proudly overbuilt in the USA, and backed by our Scars Lifetime Guarantee. And if you somehow find a way to wear them out, we’ll send you a new pair, and the next time you’re in Jacksonville, we’ll buy you a beer and invite you to HQ so you can tell us all about how you did the impossible.

PADDING WHERE YOU ACTUALLY NEED IT

We got sick of wearing out other socks so we added more padding along the heel and ball of the foot. The heel padding is extended up to the achilles to give you cushion where you actually need it when rucking in mid-top boots like the MACV series or shoes like the Mackall.

FITS RIGHT, EVEN AFTER ALL THE MILES AND ALL THE DAYS

Extended arch support and a natural fit through the ankle and calf makes for a comfortable sock that’s not too tight and doesn’t slip over time and distance. These socks maintain their shape wear after wear.

WEAR OFTEN, WASH SPARINGLY

Merino wool naturally resists bacteria and fights stink. Wear as often as you want without having to wash ‘em after each use. Saving you both water, and time.

“You will never pass Special Forces training if you don’t learn how to take care of your feet.”

This was 2004 and my interest in socks, and footcare, became an obsession right then and there.

READ MORE FROM JASON

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