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New Spring Arrivals: Light Layers and Essentials for Longer Days Outside. >>Shop New
Introducing the Next-Gen Helium UL Jacket. New Fabrics. Lighter. More Packable. >>Shop Now
Free shipping on CAN orders $175+
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The Astroman Long Sleeve Sun Shirt delivers lightweight comfort and unrestricted movement with bluesign® approved recycled stretch fabric, UPF 30 sun protection, and quick-drying performance for long, sun-soaked days on rock, trail, or travel.
Outdoor Research® gear is guaranteed to perform throughout the lifetime of the product.
Enjoy free ground economy shipping on orders $125+ USD / $175+ CAD. Please note: Final sale items cannot be returned or exchanged.
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The Astroman Long Sleeve Sun Shirt delivers lightweight comfort and reliable sun protection for climbing, hiking, and long days on the move.
Made from a bluesign® approved recycled nylon blend, it stretches easily, breathes freely, and provides UPF 30 protection through full days outdoors. Quick-drying, moisture-wicking performance keeps you cool under pressure, while hidden snap closures and low-profile pockets add clean, functional storage. A center back hanger loop and raised heat-transfer logo finish the design with a refined, modern touch.
*All sizing is based on your body measurement.We adjust the garment for intended fit and intended use.
Generous cut that drapes loosely over the body. Size down if you prefer a trimmer fit.
Form fitting base layers worn under other garments.
Close-cut apparel that moves with the wearer.
A traditional fit for comfort in both technical and casual apparel.
