The Astroman Air Short Sleeve Shirt is designed for comfort and sun protection while working reachy moves at the crag, trekking deep into the mountains, or hanging with friends at camp.Made with lightweight, stretchy, and durable recycled nylon, this shirt features a hidden snap front closure and strategically positioned laser-perforated holes for airy breathability. The lighter colors feature UPF 30 sun protection, while the darker colors feature UPF 50 protection. The quick-drying materials are ideal when working hard in sunny conditions, and the shirttail hem and front chest pocket add a touch of style for post-climb beverages in the parking lot.An ideal piece of gear sharing the same name as the legendary Yosemite route, the Astroman Air Short Sleeve is a favorite among the climbing community and beyond for active wear on warm days spent outdoors.