Inspired by the Keep Calm and Carry on propaganda poster. Comes this officially licensed Big Bang Theory adult t-shirt featureing Caltech theoretical physicist Sheldon Cooper's favorite catch phrase, "Bazinga!" Perfect gift for any fan of the TV Series, "The Big Bang Theory." This red, standard fit shirt is made of 100% cotton Be sure to check out our Size Chart to get an idea of the average size and dimensions of this Keep Calm and Bazinga tshirt style. Check back often for some of our new Big Bang Theory clothing and other Big Bang Theory Merchandise at great prices only at AnimationShops.com.