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A fully-featured, three-season shell that sheds precipitation thanks to waterproof/breathable PeakProof™ 3L technology.

Big backpacking trips, long mountain rambles or sudden downpours in town, our fully-featured shell keeps you dry and comfortable through it all. Featuring our Teton-tested PeakProof™ 3L fabric technology, this shell offers exceptional waterproof/breathable protection with peak durability and comfort. 100% recycled nylon lightens its environmental footprint, while mechanical stretch expands range of motion. Full seam-sealing, YKK® AquaGuard® zips and a DWR finish combine for a complete waterproof barrier to challenging conditions. The fixed, bonded-brim, storm-sealing hood features a halo adjustment for clear peripheral vision. Critical core vents add a quick solution to shed heat when gaining vertical.

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 Image PeakProof™
 Image Dermizax®
PeakProof™ 3L, 100% Recycled Nylon, 40 denier Plainweave, Dermizax® Membrane 20,000mm waterproofness, 10,000 g/m2/24hrs breathability, 7 denier Tricot backer, 110 g/m2 with PFC Free DWR Finish

In our outdoor world, not all shell fabrics rate the same, which is why we decided to set a Stio® standard for mountain-rated protection you can trust when rough weather descends. Our new PeakProof™ rating ensures a Teton-tested level of waterproof technology and breathable comfort for elevated action in mountain environments.

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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
  • Waterproof, windproof, lightweight hardshell
  • Fully seam sealed for complete weather protection
  • Brushed tricot chin guard for comfort
  • Articulated fit through sleeves for mobility
  • Storm-sealing hood with bonded brim and halo adjust
  • Non-helmet compatible
  • Hand pockets with hidden zippers
  • YKK® Vislon Aquaguard front zipper with brushed tricot chinguard for comfort
  • YKK® Aquaguard zippers at hand pockets and core vents
  • Slight drop hem with dual hem adjust
Fit and Measurements
  • Regular Fit: A casually shaped design that’s not too tight and not too baggy
  • Center Back Length: 29 7/8” (size M)
  • Weight: 13.6 oz.
Other Details
  • Heat transfer Stio® and Pinecone logos
  • Imported
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How We Wear It