Hail to the Purple! Shop for new Wildcat gear to show your school spirit at games or events. This Northwestern Wildcats Gray Kellogg Quarter-Zip would make the perfect addition to your Wildcat wardrobe. This Gameday Spirit exclusive quarter-zip is an officially licensed collegiate product. It features a heathered-gray design with a "Northwestern Kellogg" inscription in purple on the upper left side of the chest. Shop the Official Team Store of Northwestern Athletics for Northwestern apparel!