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A technical tank with dynamic wicking and cooling material for trail running, mountain biking and overnight trips to the backcountry.

When you're focused on sport and trail, performance has to come first. With slight fit updates for the season, this straight-cut tech tank shares that same straight-ahead mentality, whether logging high-intensity miles on foot or on the bike or regaining focus with mountain yoga. Built with Floe™️ fabric—a dynamic wicking and cooling material—that incorporates stretch flex to move with you and accelerates its performance as body core temps rise. An anti-odor treatment keeps the top fresh during high effort. Reflective logos add visibility during those sunset or sunrise pushes and minimal seams make for a chafe-free experience.

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 Image Floe™
Floe™ Polyester Stretch Heather, 95% Polyester, 5% Spandex, 150 g/m2 with HeiQ Fresh and HeiQ Smart Temp Finishing

Floe™ fabric technology wicks moisture, dries quickly and provides an anti-microbial treatment and UPF 15+ sun protection. The moisture management keeps you cool and comfortable when you're working hard, while its odor control allows you to play more and wash less. 

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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
  • Stretch performance fabric, with HeiQ Fresh and Smart Temp technology
  • Controls odor and improves thermoregulation
  • UPF 15+ sun protection
  • Flatlock seams for low-profile construction
  • Bonded neck tape
Fit and Measurements
  • Regular Fit: A casually shaped design that’s not too tight and not too baggy
  • Center Back Length: 24" (size S)
  • Weight: 3.5 oz.
Other Details
  • Reflective logos
  • Imported
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How We Wear It