The Outdoor Research Astroman Long Sleeve Shirt is made from a lightweight, stretchy, ultra-durable fabric with the highest UPF 50 sun protection rating. This shirt was named after the legendary climb in Yosemite Valley. The Astroman fabric was built for exposed and steep climbs, but is perfectly suited for hiking, paddling, backpacking trails, and even dressing up for dinner after the adventure. The is a preloved shirt in good condition