Cap is green and yellow in color. You’re a die-hard Oakland Athletics fan, and you don’t let anything get in your way of seeing every game. Make sure you’re prepared to catch every gut-wrenching moment without the sun in your face by wearing this Classic adjustable hat from Nike. It features Dri-FIT technology that wicks away moisture, so you can remain cool and dry while you root for the Oakland Athletics. 100% Dri-FIT polyester. One size fits most.