The Columbia Cascades Explorer Short-Sleeve Shirt is designed to keep you cool, comfortable, and protected during warm-weather activities. Rugged 100% Tactel nylon Back Country Cloth fabric is bolstered with an Omni-Shield advanced repellency treatment, which resists light rain and stains so you stay clean and dry. Built-in Omni-Shade UPF 30 sun protection shields your skin against harmful UV rays. A mesh-lined ventilation panel in back helps keep you cool in the heat. The Cascades Explorer Shirt features a sun protection collar, buttoned front placket, multifunctional chest pockets, a utility loop, and a sunglasses cleaning patch. Modern Classic fit. Imported.