Men's Astroman Short Sleeve Sun Shirt - UPF 50 Breathable Technical Button Down

Introducing the men’s Outdoor Research Astroman Short Sleeve Sun Shirt, a tribute to Yosemite Valley’s famed climbs, tailored for rugged ascents and all-day comfort during hiking, backpacking, paddling, bushwhacking, or any outdoor summer adventure under the relentless sun.

Crafted from a blend of 85% nylon and 15% spandex, the fabric of this shirt is bluesign approved, ensuring sustainability and environmental safety. It combines moisture-wicking and quick-drying capabilities with superior breathability, guaranteeing cool and dry comfort even during intense activities. The material’s movement-mirroring stretch allows unrestricted movement, perfect for dynamic outdoor pursuits.

With a UPF 50 rating, the Astroman shirt provides excellent sun protection, shielding against harmful UVA and UVB rays, essential for extended periods of exposure under the sun. This lightweight yet durable fabric ensures reliable performance for climbers and outdoor enthusiasts alike.

Designed with practicality in mind, the shirt features a concealed left chest snap pocket for secure storage, a tonal rubber snap front closure for ease of use, and an AirVent inner back yoke that enhances ventilation in critical heat zones. The shirttail hem provides extended coverage, ideal for layering or wearing untucked.

Outdoor Research embodies the spirit of adventure, founded on the passion for exploration. Our community is dedicated to pushing boundaries in mountains, waterways, and deserts worldwide. We embrace the challenges of our beloved planet, inspiring innovation and performance in every product we create.

Whether scaling cliffs or traversing trails, the men’s Astroman Short Sleeve Sun Shirt from Outdoor Research offers unparalleled comfort, functionality, and protection. Engineered to meet the demands of outdoor enthusiasts, it combines technical excellence with thoughtful design, ensuring it stands as an essential companion for every adventure.

Discover the difference with Outdoor Research and experience the freedom to explore without compromise.

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