A high tech hiking shirt designed to meet your every demand out on the trail, the Columbia Men's Cascades Explorer Long Sleeve Shirt is a button up style that features a light, durable, UPF 30 fabric with a water repellent coating, plus Columbia's most efficient venting to keep you cool with a heavy load on your back. Pack friendly pockets assure easy access, without having to undo your sternum strap. Durable Back Country Cloth 100% tactel nylon fabric. Omni SHADE UPF 30 sun protection. Omni SHIELD advanced water repellency. Modern, classic fit. Sun protection collar. Vented with 100% polyester mesh for temperature control on hot days. Roll up sleeves with tab holders. Multi functional pockets. Sunglass cleaning patch. Utility loop. Length: 30 center back. Import.