P.F Flyers
In 1933, canvas footwear pioneer BF Goodrich patented the Posture Foundation insole, an innovation in comfort and performance, and began adding the new technology to its action shoes. Goodrich shoes with Posture Foundation became known simply as "P-F" in 1937. By the 1960s, PF was one of the most popular shoes in America , it's iconic silhouette and reputation for comfort still has a loyal following today.