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The Astroman Short Sleeve Sun Shirt is our best-selling lightweight, technical sun shirt, built with AirVent technology and offering UPF protection and movement-mirroring stretch for all your adventures.
Outdoor Research® gear is guaranteed to perform throughout the lifetime of the product.
Free standard shipping on orders over $99 + easy returns.* Final sale products are non-returnable.
Named after the legendary route in Yosemite Valley, the Astroman S/S Sun Shirt features our best-selling lightweight, stretchy, and durable Astroman fabric for long days on the wall, hiking, paddling, and backpacking.
AirVent technology on the back yoke allows superb airfl