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Darn Tough Hiker Boot Full Cushion
#1 — Best Hiking Sock

Darn Tough Hiker Boot Full Cushion Review (2026)

Merino wool, unconditional lifetime guarantee, made in Vermont — the hiking sock that eliminates blisters and lasts forever

★★★★★
9.3/10
Reviewed by William • Updated May 2026 $25

The right sock prevents more blisters than any tape or balm. Darn Tough Hiker Boot Full Cushion is the sock I have worn on every overnight AT trip for five years. The 66% merino wool construction manages moisture, maintains cushion when wet, and does not compress the wool fibers that cause cotton socks to mat and create hot spots. The unconditional lifetime guarantee — send them back worn through and get a new pair, no questions — is the most genuine warranty in hiking gear. I have replaced two pairs in five years. Darn Tough simply sends new socks.

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$25 retail
TrailCraft Score

What I Liked

  • 66% merino wool — manages moisture, prevents cotton-sock hot spots
  • Unconditional lifetime guarantee — worn through or worn out, Darn Tough replaces them
  • Made in Vermont — supports US manufacturing
  • Full cushion in heel and toe: highest blister protection areas
  • Does not compress with mileage — wool fibers maintain structure
  • Available at most REI stores and outdoor retailers

Limitations

  • $25 per pair — 2-3x price of cotton hiking socks
  • Merino wool dries slower than synthetic options
  • Cushion adds slight volume — size hiking boots appropriately

At a Glance

Wool Content66% merino, 33% nylon, 1% Lycra
CushionFull cushion
HeightBoot height (above ankle)
Moisture MgmtMerino wool — excellent
GuaranteeUnconditional lifetime
Made InVermont, USA
Machine WashYes
Price$25

Score Breakdown

Blister Prevention
9.7
Moisture Management
9.4
Cushion Durability
9.6
Comfort Over Miles
9.8
Value Long-Term
9.5

Field Notes

Five years, hundreds of AT trail miles. Two pairs replaced under the lifetime guarantee — both worn through at the heel after heavy use. The replacement process: photograph the worn sock, fill out a short form on the Darn Tough website, receive new socks. No receipt required. No questions. I have converted every person I hike with to Darn Tough socks after they blistered in cotton socks on the same section I finished blister-free.

Merino wool, no cotton hot spots, unconditional lifetime guarantee — the sock that prevents blisters and replaces itself when it wears out

Who This Is For

Darn Tough Hiker Boot Full Cushion is right for: any hiker who has had blisters from cotton socks, AT section and thru-hikers who want guaranteed long-term sock quality, and anyone who wants the simplest footwear upgrade available.

Note: Prices are current as of May 2026. Some links are affiliate links.

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Common Questions

Why are Darn Tough socks so expensive?
$25 per pair seems expensive until you account for the lifetime guarantee — Darn Tough replaces worn-through socks for free, forever. The true cost per year is significantly lower than replacing $8 cotton socks repeatedly. The merino wool construction also prevents blisters that can end hikes.
Darn Tough vs Smartwool hiking socks?
Both are quality merino wool hiking socks. Darn Tough's lifetime guarantee is more comprehensive than Smartwool's warranty. Darn Tough knit construction is denser and more durable. For serious hiking: Darn Tough. For casual hiking: both are excellent.