Outfitted with a full-coverage hood and offering UPF 50+ protection, Helion™ stretch nylon wicks and dries quickly while SUP-ing, sailing, or floating the river.

Designed for those roaster days on the river, trail or rock when cloud cover is nothing but a fantasy, the Hylas Hooded Pullover is a versatile, highly protective sun hoodie that’s essential for mountain waterways and other high-exposure alpine playgrounds. The quick-drying, breathable Hylas features Helion™ stretchy UPF 50+ fabric and a spacious hood that shields against the harsh high-altitude sun whether you’re paddling, casting or six pitches up a rock route.

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 Image Helion™


Helion™, 90% Nylon, 10% Elastane, 155 g/m2

Breathable and quick-drying Helion™ fabric protects against high-altitude rays with UPF 50+ rating. Constructed with 90% nylon, 10% elastane, Helion™ offers lightweight, 4-way stretch ideal for activities on and off the water. 

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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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  • UPF 50+ rating for excellent sun protection
  • Fixed, relaxed fit hood with self finish
  • Thumbholes for secure coverage
  • Flatlock seams maximize comfort and streamline design
  • Heat transfer interior labels for next to skin comfort
  • Heat transfer of Stio® and Pinecone logos
  • Weight: 8 oz.
  • Imported
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