The primary reason for the Incredible Hulk being so angry is a a problem with homeostatis...which is one of those fancy words for trouble regulating body temperature! I probably just could have said that but I like the fancy words from time to time. That leads me perfectly to the 100% acrylic Hulk Angry Face Flip It Up Beanie! This green outside / purple inside Hulk Angry Face Flip It Up Beanie features an 'angry' face for the Hulk and if you flip it up it reveals the Incredible Hulk logo! Choices, people, choices! We've put the power in your hands, so don't go on a rampage through the country side. Better to stay warm with the Hulk Angry Face Flip It Up Beanie!