Whether you're heading to the ballpark for an early-season matchup, or rooting on your Oakland Athletics deep into October, you need a trusty jacket to get you through. This Columbia Omni-Wick Shotgun Quarter-Zip Pullover Top features Omni-Wick technology that wick away sweat and protects you from the sun's harmful rays. There's no need to settle for a regular jacket when you can rep the Oakland Athletics in this comfortable piece.