Kansas Jayhawks Official Replica Dog Jersey Officially Licensed Kansas Jayhawks Official Replica Dog Jersey - Medium S Jersey Sizing - Length (12-14"), Girth (16-18") M Jersey Sizing - Length (16-18"), Girth (20-22") L Jersey Sizing - Length (20-24"), Girth (24-28") XL Jersey Sizing - Length (26-30"), Girth (30-34")