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The Astroman Short Sleeve Sun Shirt combines bluesignยฎ approved recycled stretch nylon, UPF 30 protection, and quick-drying performance for lightweight comfort and mobility on sunny days spent climbing, hiking, or traveling.
Outdoor Researchยฎ 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 Short Sleeve Sun Shirt is built for climbing, hiking, and long days in the sun, delivering lightweight comfort, mobility, and protection for active use.
Made with a bluesignยฎ approved recycled nylon blend, this breathable, quick-drying fabric moves with you thanks to movement-mirroring stretch. The updated design features a hidden snap front for a clean, functional look, a left zip chest pocket for secure storage, and a raised heat transfer logo for subtle detail. With a UPF 30 rating and standard fit, it offers reliable coverage and all-day comfort from trail to crag.
*All sizing is based on your body measurement.We adjust the garment for intended fit and intended use.
Classic fit for comfort and ease of movement.