UA Iso-Chill Launch Run Hat Keep the sun out of your eyes, and keep the sweat at bay too. With a built-in sweatband and ventilation holes along the seams, the UA Iso-Chill Launch Run Hat ($28) is the perfect way to stay cool and collected throughout your run. Image Source: underarmour.com UA Iso-Chill Launch Run Hat $28 from underarmour.com Buy Now