Patagonia Men's Chambray Classic Navy Lightweight Bluffside Shirt New With Out Tags Size: Medium A classic clean-cut, lightweight organic cotton/polyester shirt for every day wear. - Chambray: Classic navy - 60% organic cotton/40% polyester plain weave fabric - Breathable, teels cool on the skin and dries faster than an all-cotton shirt - Button-front placket and a button-down collar - The left-chest pocket holds your sunglasses and is sized to hold a passport - A shirttail hem keeps your shirt in place during movement and stays put under a hipbelt