The Outdoor Reasearch Astroman men's short-sleeved shirt is built for climbing, hiking, and long days in the sun. Made with a recycled nylon blend, this breathable, quick-drying fabric moves with you thanks to movement-mirroring stretch. This shirt features a hidden snap front for a clean, functional look and a left zip chest pocket for secure storage. With a UPF 30 rating and standard fit, it offers reliable coverage and all-day comfort from trail to crag.