The Mountain Hardwear Canyon Short-Sleeve Shirt boasts premium wrinkle-resistant and quick-drying performance for hiking, trekking, and life outside. Rugged 70% nylon, 30% polyester Desert Cloth fabric is easy to wash and wear and has built-in UPF 30 sun protection to block out harmful UV rays. Understated, stitched-in mesh venting under the arms and in the back yoke helps keep you cool in the heat. The shirt features a flip-up sun collar, buttoned front placket, zip-secure map pocket at the left chest, and a hidden stash pocket at the right chest. Relaxed fit. Imported.