keeping your head cooler. Can a running hat cool you down? In a word, yes. By design, running hats will be well-ventilated, allowing air to flow through the vents to cool you down. They also wick ...

Hats are the unsung hero of a wardrobe. Not only do they protect your face from the sun and hide a bad coif ... well, fit the wearer's head. Read: They aren't usually built with an adjustable strap.