Hail to the Purple! Shop for new Wildcat gear to show your school spirit. This Northwestern Wildcats Men's Cutter & Buck Kellogg Mainsail Sweater Half-Zip Jacket would make the perfect addition to your Wildcat wardrobe. This Cutter and Buck men's half-zip is an officially licensed collegiate product. It features a Kellogg design on the left chest. Shop the Official Team Store of Northwestern Athletics for Northwestern apparel!