Show off your San Francisco 49ers pride in this Christian McCaffrey Big Tall Baseball Button-Up Shirt from Fanatics. This button-up shirt features a full-button front and rounded hem for freedom of movement and ease of styling. Made from polyester, this shirt is lightweight and breathable, making it ideal for game day or any day. This button-up is a touchdown for any diehard 49ers fan looking to rep their favorite player and team in style.