From measuing other xl shirts it's about the same. It is in between a XXL and XL.

Show off your love for the San Francisco 49ers with this vintage shirt! Perfect for any fan of the National Football League (NFL), this shirt is made for football enthusiasts and collectors alike. Available in size XL, this shirt is an excellent addition to any fan's wardrobe.

Represent your favorite team in style with this San Francisco 49ers shirt. Crafted with high-quality materials, this shirt is built to last and will make a great addition to your collection for years to come. Don't miss out on this opportunity to own a piece of football history!