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A mountain life must-have, Nikwax® Tech Wash is the standard-setting cleaner designed to revitalize the water repellency and breathability of gear, including hardshells and synthetic insulated gear.

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 Image Nikwax®

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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  • Technical cleaner for hardshells and synthetic insulated gear
  • Revitalizes water repellency and breathability of gear
  • Cleans effectively, restores water repellency and revives breathability
  • Revives the performance of your gear, keeping you warmer and drier
  • Recommended for all Stio® waterproof, windproof and fleece clothing
  • Easy to use in your washing machine or by hand
  • Non-flammable and PFC-free
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