The Patagonia Men's A/C® Buttondown Shirt has a great classy look with all the venting and breathability that will make it your favorite shirt this summer. This lightweight, relaxed-wearing shirt is made from organic cotton and is designed with an airy, open weave for hot and humid climates. It has a clean, button-front styling that features a left-chest button-through patch pocket and side vents for a greater range of motion while the straight hem adds the versatility you need to go from a casual hangout to the workplace. The Patagonia Men's A/C® Buttondown Shirt will become your favorite shirt ever!