Tru blood is a brand of synthetic bottled blood engineered by japanese scientists catering to the vampire population the release of tru blood was the main catalyst for the great revelation when vampires came out of the coffin and revealed their existence to the world in hbos true blood this is an officially licensed producthoodie design reads tru blood true bloodour hoodies are super heavy at 320g and made with 80 combed cotton and 20 polyester for exactly the right comfort and fit