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Hiking isn't much fun if you have to stop every quarter mile to battle with blisters. The Darn Tough Merino Wool Extra Cushion Mountaineering Sock provides support and comfort so you can enjoy the miles rather than dread them.
  • Merino wool fibers offer incredible softness and naturally resist odor
  • Heavy terry loop cushioning surrounds foot and leg for warmth
  • Reinforced heel and toe help prevent blisters and hotspots from forming
  • Ring toe construction includes invisible seams to further boost comfort inside a boot

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Darn Tough Merino Wool Extra Cushion Mountaineering Sock

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Here's what others have to say...

5 5

Best Wool Socks on the Market!

  • Familiarity: I've used it several times
  • Fit: True to size

I purchased 5 pairs of different wool socks that all had 5 star ratings on Amazon. They all were good socks but these are a notch above the competition in fit and feel and quality. They just fit perfectly and are the most comfortable sock I've ever worn. Outstanding construction and workmanship and Made in the USA! I bought 5 more pair from for Christmas presents.

5 5

Great sock

  • Familiarity: I've put it through the wringer
  • Fit: True to size

I really put these to the test with a two week long trek up in Vermont carrying a 85 lb load, in the middle of July. No blisters, no hot spots. I wear a 10.5 and the large fit perfect for me. It is on the thick side and you must have room to spare in your boot because it will snug it up.

5 5

Tough. Darn Tough. Also a tad small.

  • Gender: Male
  • Familiarity: I've put it through the wringer
  • Fit: Runs small

You can't help but be impressed by the packaging, which says: "Lifetime Warranty: If you can wear them out, mail them back to Darn Tough Vermont for a replacement." I have certainly never even seen any signs of wear on mine.

They are only moderately thick and moderately warm, but this property makes them good boot-socks or when combined with multiple sock layers. My only complaint is that they are too small. I have average-size feet and always buy XL socks, but even these were too tight to be entirely comfortable. The only better socks I've owned are the SmartWool Trekking Heavy Crews, but even these don't feel half as rugged as the Darn Toughs.

5 5

Lots of cushion

  • Gender: Male
  • Familiarity: I've used it several times

I've only had one pair of Darn Tough socks before and I lost them before I could remember how much I liked them. I got these for some winter mountaineering and I've loved them so far. My biggest complaint with longer socks is the itch that they always give me no matter what they're made out of and I can say that these ones itched very little.

5 5

This is the one!

  • Gender: Male
  • Familiarity: I've put it through the wringer

Super durable, great fitting, ultra warm, over the calf sock. Really stays in place and shows only minimal signs of wear after a season. Wool means less stink factor, too! What a great all around winter sock.

5 5

tough enough

  • Gender: Male
  • Familiarity: I've used it several times

sick socks made in VT. There isn't anything I've ever put on my feet like this. Don't know how they did it but these stay up all day and seem to not change wash after wash