The Astroman Sun Shirt is our best-selling lightweight, stretchy, and durable fabric, featuring a UPF 50+ sun protection rating. Named after the legendary route in Yosemite Valley, the Astroman was built for exposed and rugged climbs, hiking, paddling, and backpacking. For any activity where staying cool and collected is the top priority, the Astroman Sun Shirt is a must-have.

Breathable
Movement-Mirroring Stretch
Wicking
Quick Drying
UPF 30 (light colors)
UPF 50+ (dark colors)
Updated design with Button Front
Left Drop-In Chest Pocket
Hidden Right Hip Security Zip Pocket
Center Back Shirring Detail
Drop-Tail Hem

Outdoor Research Womens Astroman LS Sun Shirt