Darn Tough Heavyweight Sock (Coyote Brown)

USAF Safe to Fly Certified FR/NMND and NAVAIR SOA Approved.

Height: Boot
Weight: Heavyweight

Darn Tough's Extreme Cold Weather/Mountaineering boot sock is 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.

  • Performance Fit: No slipping, no bunching, and no blisters.
  • Fine Gauge Knitting: Unprecedented durability and our unique “put it on, forget it’s on” feel.
  • Fast Action Wicking: Pulls moisture away from skin. Fast drying.
  • All Weather Performance: Cool in the summer, warm in the winter.
  • Guaranteed For Life: No strings. No conditions. For life.
  • Merino Wool is fast drying, breathable and odor resistant for all-day comfort.
  • True Seamless: Undetectable seam fusion for an ultra smooth, invisible feel.
Full Cushion
From the toe to the top cuff, full cushion Tactical socks have terry loops running the length of the sock for a full profile of comfort and protection.

Materials: 80% Merino Wool 19% Nylon 1% Lycra® Spandex

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