Outdoor Research Astroman Mens Short Sleeve Shirt - Dusk

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Outdoor Research

Astroman Short Sleeve

PURPOSE-BUILT CLIMBING SUN PROTECTION Inspired by one of the hardest long free climbs in Yosemite Valley, El Cap veteran Hans Florine collaborated with our design team to create the perfect woven technical shirt. Built with UPF 50+ sun protection, this shirt will protect you from the harsh rays while on the rock wall. Enhanced with a snap under the chin—our Sun Snap Collar™ provides added sun protection for your neck.


  • Fabric Performance: Breathable, Lightweight, Quick-Drying, Wicking, Movement-Mirroring Stretch, UPF 50+
  • Design Features: Concealed Snap Chest Pocket, Logo Placket Label, Contrast Grosgrain in Collar
  • Functional Details: Curved Hem, Ring Snap Closures, Sun Snap™ Collar, AirVent™ Inner Back Yoke


  • Fit: Standard Fit
  • Fabric: Plaids: 85% nylon, 15% spandex stretch woven Solids: 84% nylon, 16% spandex stretch woven
  • Center Back Length: 29 1/4” / 74 cm
  • Avg. Weight (oz./g): 5.4oz / 154g (L)


SKU POS-ORAstromanSSDusk
Brand Outdoor Research

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