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Our most comfortable pair for days when the action is more spontaneous.

Not every day is a mountain epic but action is still the name of the game. Our new favorite pair of socks is always ready to keep pace with a merino wool/nylon blend for all-day comfort, odor resistance and a smooth, frictionless exterior. Targeted half-density cushioning and comfort compression reduce fatigue at work or play, while seamless toes reduce bulk whether sliding them into approach shoes, leather lace-ups or fully waterproof boots. Camo or mountain colorways reflect local style.

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58% Merino Wool, 39% Nylon, 3% LYCRA® Spandex

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As caretakers of the mountain life, we recognize our responsibility to support organizations and people who share our vision to drive positive change for people and the planet. We’re proud to partner with some tremendous organizations in their missions to responsibly advance outdoor recreation and protect our wild surroundings.


We are committed to building garments that are durable, timeless and continue to perform season after season. Over 50% of our product line incorporates preferred materials, which include organic cotton, recycled materials and responsibly-sourced down. We are committed to growing our preferred materials usage to 75% by 2025 and to completely eliminating PFAS from our garments by 2025.

Stio Second Turn®

Our apparel is built to last. As a part of our efforts to reduce waste and keep more gear in the mountains where it belongs, our home-grown gear renewal program allows previously-used items to be traded in, cleaned, repaired and circulated back into use.

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Fabric Details
  • LYCRA® top to toe
  • Arch support
  • Reinforced foot bottom, high heel, heel & toe
  • Seamless toe closure
  • Flat knit leg
  • 1/2 density cushion in foot bottom, high heel, heel & toe
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