Pure Barre | 30,469 followers on LinkedIn. Pure Barre, an Xponential Fitness brand, is the largest barre brand & the pioneer of barre in boutique fitness. | Pure Barre is the largest, most established barre franchise with more than 500 studios across North America. With a dedicated following of 550,000+ clients, Pure Barre focuses on small movements that result in big changes. Pure Barre’s innovative technique comes in a range of class offerings that target strength, cardio and flexibility for people of all levels, providing clients with self-focused time to transform the body and mind.