Built to trek incredibly lightly, this button-up wicks away sweat to keep you cool on the move. Designed with cooling vents to keep you dry and comfortable, while button-up style includes a fold-over collar, button-up placket, roll-up sleeves with tab holders, two chest pockets, and a shirttail hemline. Made with lightweight 100% nylon, you'll simply feel good wearing this shirt. Columbia offers this long-sleeve shirt in multiple colors and sizes. Regular Fit.