Outdoor Research Men's Astroman Long Sleeve Sun Shirt

The Astroman Long Sleeve Sun Shirt combines bluesign® approved recycled nylon stretch fabric, UPF 30 protection, and quick-drying performance to deliver lightweight, all-season comfort and freedom of movement from crag to trail.

Lightweight Comfort for Long Days in the Sun

The Astroman Long Sleeve Sun Shirt is built for climbing, hiking, and year-round adventures that demand lightweight sun protection and unrestricted mobility.

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. The UPF 30 fabric guards against harmful UV rays, and the standard fit layers easily for versatility across changing conditions.