Meet the short-sleeve button-down that dresses up our unique Active Puremeso fabric. This shirt is soft to the touch, breathable, and lightweight. With its stretchy athletic fit and classic cut, you'll look sharp without breaking a sweat at both casual and after-hours events. Active Puremeso Introducing Active Puremeso (PURE-MAY-SO)-- We re-engineered Puremeso for hot weather, and we are so pumped for you to get your hands on it. Lightest weight yet - breathable, soft cotton, polyester, and stretch - this fabric delivers every single time.