The Outdoor Research Astroman Long Sleeve Sun Shirt is built for climbing, hiking, and year-round adventures that demand lightweight sun protection and unrestricted mobility. The UPF 30 fabric guards against harmful UV rays, and the standard fit layers easily for versatility across changing conditions.
Made with a bluesign® approved recycled nylon blend, it delivers breathable, quick-drying performance with movement-mirroring stretch for all-day comfort. Updated for Spring ’26, the design features a hidden snap front for a clean, streamlined look and a left zip chest pocket for secure storage.
- Features
- Breathable
- Lightweight
- Quick Drying
- Stretch
- UPF 30
- Wicking
- Hidden Snap Front Closure
- Left Zip Chest Pocket
- Raised Heat Transfer Logo
- 2026 Updated Design
- Specifications
- Item No. 322670
- Center Back Length: 74.3 cm / 29.2 in
- Weight: 6.35 oz/ 180 g
- Fit: Standard
- Origin: Vietnam
- Materials
- bluesign® approved 85% Recycled Nylon 15% Spandex