Heartcore Clothing is a company based in Tampa, Florida in the United States. They have sponsored the bandsAiden, Hawthorne Heights, Gym Class Heroes, Atreyu, Anberlin, Silverstein. The Audition, From First To Last, Halifax, Karate High School, The Matches, and more.
The company was started in June 2004 by James Breen [aka Jimmy Heartcore] as a creative outlet, and has featured different designs and items since its inception.