An ultralight shirt for traveling and trekking, the ExOffico Airhart keeps you cool with Floramesh ventilation panels, wicks moisture, dries fast and feels great. The fit adjusts at the waist with tabs and buttons. Longer tunic length for coverage. Floramesh lined ventilation at center back promotes airflow for cool comfort. Tabs and buttons at waist for an adjustable fit. Security zip pocket on left side shirt can be packed in pocket. Floating loop inside pocket. Button front placket. Natural fit: Flattering and comfortable lightly shaped to the body for mobility. Machine wash cold, no fabric softeners tumble dry low do not iron.