Waterproof Mountain Sock
Waterproof Mountain Sock
Our warmest sock. Merino wool blend-lined, fully cushioned, and totally waterproof.
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For Real Mountain Moments
The Mountain Sock is our thickest design, and that's intentional. Terry loop padding runs across the entire footbed, from toe to heel. At mile twelve, your feet won't hurt. At mile twenty, they'll still be good.
The liner is 39% merino wool, with the remainder synthetic for durability. Merino manages moisture naturally, provides warmth even when damp, and resists odor through multi-day wear. The mid-calf height—nine and a half inches—keeps snow out of your boots and brush off your legs.
These socks have bulk. That's the design. You need roomy boots to accommodate them, but that's exactly where they belong. Your insulated winter hikers. Hunting boots with generous toe boxes. The footwear you wear for serious work in cold conditions.
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Materials and Construction
Key Features:
- 3-layer waterproof-breathable construction
- Artex3D™ bodymapped membrane
- Merino wool blend liner (39% Merino, 39% Acrylic, 13% Polyester, 7% Nylon)
- Full terry loop cushioning across the entire footbed
- Mid-calf height (9.5") for maximum protection
- Reinforced heel and toe for durability
- Moisture-wicking and natural antimicrobial properties
- Ergonomic 3-D molded fit
Size Chart

Care Guide
Machine wash with cold water using a mild detergent and tumble dry on low heat. To avoid any shrinkage of your gear, it is recommended to hang dry.
They work well, but the fit is odd. Heels and instep area feel "loose , but length is pretty good - slightly long.
They work well, but the fit is odd. Heels and instep area feel "loose , but length is pretty good - slightly long.
these are nicely comfortable socks and seem to offer some warmth. It is just that early on in owning these there is some soaking through after sustained wetness exposure. the toes and soul bed tend to have this issue.
these are nicely comfortable socks and seem to offer some warmth. It is just that early on in owning these there is some soaking through after sustained wetness exposure. the toes and soul bed tend to have this issue.
Comfortable and keep feet dry!