Keeping you cool in the hottest of climates, the Patagonia A/C Shirt offers a super lightweight organic fabric giving you maximum comfort on your long walks along the beaches of South Africa or in the jungles of Peru.PRODUCT FEATURES: *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 vents *Straight hem *162 g (5.7 oz) *3.4-oz 100% organic cotton yarn-dyed plain weave Patagonia Men's A/C Shirt52921