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The most versatile sock in the line. Dense, resilient terry loop cushioning surrounds the calf, foot bottom, and toes. Elastic arch support for a snug, performance fit. Reinforced toe and heel for increased durability.

Our Extreme Cold Weather/Mountaineering boot sock designed for extreme cold climates or rugged terrain. This is our warmest sock, featuring full terry loop cushioning throughout for maximum warmth. Elastic support at arch. Reinforced heel and toe for increased durability. USAF Safe to Fly Certified and NAVAIR SOA Approved

Backpack space comes at a premium, but you won’t have to sacrifice premium comfort with our women’s quarter hiking socks. Redesigned with athlete and customer input, we upgraded these Merino Wool shorties for the best fit, flex and feel. So, whether you’re staring at mile 1 or mile 2661.4, the targeted Achilles cushion, reinforced forefoot and single-ply cuffs in these best women’s hiking socks won’t even bat an eye.

Fans of the Light Hikers, and there are more than a few of you, now have a no show option that’s in lockstep with low-profile trail running footwear. Built to handle the Long Trail without needing to come off, these lightweight Merino Wool trail hiking socks have breathable mesh on top of the foot, making them a versatile day-use staple.

When the trail calls, this cushioned Quarter answers. Reinforced with a rugged cuff that never falls flat, there’s no terrain this Run sock can’t handle. Knit to go the distance (and then some), slip your foot in and experience the blister-free fit of moisture-wicking Merino Wool that's made to move you.

You don’t need to see much to get the most out of this Ultra-Lightweight running sock. Moisture-wicking and breathable, this slim No Show offers impeccable ground feel and blister protection from every angle. Not to mention, the colors really do run.

King Kong ain’t got nothing on these Merino knits. But if he did, he’d likely need some extended sizing options. Monstrously comfortable and friendly, our Men’s Animal Haus lineup is as tough as it is playful. And with styles ranging from river-rafting octopi to row-boating bears, you’ll never run out of reasons to talk about your socks.

A new addition to the Light Hiker collection is the 1/4 Sock. Modest enough for a Victorian aristocrat, and equally familiar with expansive views, these ankle-covering socks offer a smooth cuff, comfortable fit, and lightweight functionality that truly endures. Cushion extending up the Achilles adds targeted comfort and enhances the durability we guarantee for life.

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.

The warmest and tallest sock in the line, the Extreme Cold Weather/Mountaineering over-the-calf sock is designed for extreme climate on rugged terrain. Featuring full terry loop cushioning throughout for maximum warmth. Elastic support at arch. Reinforced heel and toe for increased durability. USAF Safe to Fly Certified and NAVAIR SOA Approved

The Willoughby hiking sock might be named after Vermont’s most insta-spammable lake, but the real influencers are the sure-footed critters paddling across its buttery-soft, ribbed cuff. Dip into these lightweight Micro Crew height socks, knit with climate-controlling Merino Wool and cozy cushion underfoot, and you’ll be trekking on without fear of the dreaded swamp-foot that can lead to blisters.

If you redesign one of the most popular socks in the line you better come correct. Increased breathability with mesh panels on top of the foot, a new smooth ribbing upper that stays put forever, and extended cushion over the Achilles - just a few heavy additions to one of the lightest hike socks out there.

Cushioned boot sock appropriate for cooler climates or hauling heavier loads. Dense resilient terry loop cushioning surrounds leg and foot. Elastic support at arch. Reinforced heel and toe for increased durability.

Get ready to create your own fable in the new Pacer sock. With a debris-blocking micro crew height, targeted cushioning for added durability, and Merino Wool comfort that never takes a nap, its redesigned flex and arch support zones are ready to test if “slow and steady” does indeed go good with LSD (long slow distance … relax).

Paying homage to a classic fly-fishing technique, the Spey Fly sock takes its name from Scotland’s River Spey and inspiration from our own fly-fishing guru and Mill patriarch, Marc Cabot. He’s the real deal. This lightweight lifestyle sock is too. It features terry loops knit under foot for cozy cushioning and our signature Merino Wool durable construction. While you may never reel in stream dolphins like Marc does, you can sport the same socks.