Founded in 1982, Riding Is Fundamental is a nonprofit volunteer riding community of 7 million registered motorcyclists, with affiliates in every state and U.S. territory, providing everyday examples of the benefits of riding as a social good. Through wearing the shirt, talking with others about the benefits of motorcycling, and riding every day, every road, everywhere, the goal of RIF is to foster the widespread acceptance of daily transportational riding. 100% cotton. White. M-XX.