Stay cool in the iconic Men's Patagonia A/C shirt—made of breezy, finely woven and fast-wicking organic cotton. The ultimate performance shirt for hot and humid climates. A/C® Shirt fabric has an open-weave design and fast-wicking properties that keep you sane in the August heat of the Deep South or the heavy humidity of the tropics. Like air conditioning for your skin, the button-front A/C® Shirt has a breezy 100% organic cotton that allows maximum airflow. Its light fabric rests casually on your skin, and the clean short-sleeved shirt construction features only the necessities: button-through chest pocket and side vents at the straight hem.  Features andSpecifications Made of a crepe-like organic cotton crinkle fabric that lifts shirt away from skin for warm-weather comfort Button-front shirt with button-through, left-chest patch pocket and side ventsStraight hem 3.4-oz 100% organic cotton yarn-dyed plain weave 161 g (5.7 oz) Made in Vietnam. Patagonia Men's Short Sleeve A/C Summer Shirt, finely woven organic cotton