The San Francisco 49ers are the National Football League team. Established in 1946, initially participated in the game as a member of the American Football Federation (AAFC), and then joined the NFL formed by the merger of the American Football Federation with Cleveland Browns in 1950 . The current head coach is Kyle Shanahan . The 49ers are located in San Francisco in central California, under the National Football League West Zone, and their training base is in Santa Clara , California . Browse our wide selection of San Francisco 49ers sports face masks in our shop.