Outdoor Research Astroman Long Sleeve Sun Shirt - Men's Black Medium. Built specifically for exposed climbs on sunny days the Astroman L/S Shirt provides UPF 50+ protection that stretches wicks and breathes. Additional sun protection comes from the shirts Sun Snap Collar which folds up and snaps in place to shield your neck from solar rays. Specifications for Outdoor Research Astroman Long Sleeve Sun Shirt - Men's: Manufacturer: Outdoor Research Length Alpha: Regular Sleeve Length: Long Sleeve Age Group: Adults Apparel Fit: Standard Gender: Male Application: Climbing Weight: 6.7 oz Condition: New Features of Outdoor Research Astroman Long Sleeve Sun Shirt - Men's 2026 Updated Design Hidden Snap Front Closure Left Zip Chest Pocket Raised Heat Transfer Logo Package Contents: Outdoor Research Astroman Long Sleeve Sun Shirt - Men's Outdoor Research 3226700001007: Astroman Long Sleeve Sun Shirt - Men's Black Medium