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Designed for whatever personal best or finish line you're pursuing, this stretchy running short delivers mobility and performance in an exceptionally lightweight design.

Stretchy, light and mobile, these shorts will keep you on pace during every trail run, uphill sufferfest, training session or race day. Lightweight fabric with ample stretch delivers range of motion and all-workout comfort no matter how tough or sweaty the session. A barely-there liner provides support and moisture wicking while the elastic waist and drawcord customize the fit. A hidden stash pocket in the liner stows small essentials when it’s time to transition from run to recovery.

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 Image Stryder™️
Stryder™, 2-way Stretch Plainweave, 86% Polyester, 14% Spandex, 115g/m2 with Water Resistant Finish

Stryder™ is a supremely lightweight fabric that combines 2-way stretch with a touch of Spandex for an incredibly free range of movement. The addition of a water resistant finish sheds the elements and elevates this textile to peak, trail-ready performance.

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Climate Neutral

We completely offset the footprint of each order through our commitment to being climate neutral. As part of our mission we value being good caretakers of the mountain life and protecting the places where we play.


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.

Trade-In Program

We believe a circular commerce system will design out waste and pollution, allowing for used clothing to be renewed and put back into use. Stio Second Turn™️ is our gear renewal program that allows customers to trade in and shop used apparel.

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Fabric Details
  • Ultra lightweight, stretch fabric that moves with you
  • Outer fabric has a smooth, soft hand feel
  • Boxer brief style liner with strategically placed mesh for support and ventilation
  • Elastic waist
  • Drawcord for customized fit
  • Hidden pocket on brief
  • Phone pocket on liner for streamlined storage
Weight and Measurements
  • Weight: 5.3 oz.
  • Inseam: 6”
Other Details
  • Reflective Stio® and Pinecone logos
  • Imported
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How We Wear It