Rock Chalk Shamrock! It's time for St. Patrick's Day, so get out your KU St. Patrick's Day shirts and green KU shirts. St. Patty's Day may be a day to wear green, but we can still rep that red and blue for KU with fun designs like "Rock Chalk, Shamrock", "Luck of the Jayhawks," and "Who needs luck when you are this good?" Take St. Patrick's Day to the next team level; Shop KU St. Patrick's Day Shirts and Rock Chalk Shamrock t-shirts at a KU team store. Rock Chalk, Lucky Hawk!