The high-performance Expedition Stretch is a great layering piece that can enhance your next adventure. It's light as air, wonderfully breathable, and expertly wicks away moisture with a patented moisture control system. Wear it on your next weekend hike or at a disc golf tournament. Classic fit. UPF 50+. Back ventilation. Hidden button-down collar. Roll-up sleeve tabs. Dual secured document pockets. Zip-secured chest pocket. Mesh-lined back yoke. Shirt tail hem with mechanical stretch. Material: 100% Polyester.