Of course you can restore a hat. There is great value in restoring a vintage hat. There are tips and tricks to restoring it yourself or you can take your hat to a hat store and many can restore your hat.
Use a hat brush to brush off any loose dirt. It is a good idea to keep a hat brush around and brush your hat regularly. A hat brush is a good tool to keep around.
Use a hat sponge to clean the hat up.
Use steam to re-shape the hat. Press out any of the creases by massaging the hat with the steam.
When you are done, dress it up. Be creative. Put a new hat band on it, or add a feather or put on a hat pin. There are so many options to choose from. https://www.jebswear.com › collections › hat-feather
At Jeb's Western Wearhouse, we have a hat pro. Mary can restore your old hat or help you find your new hat. Here is a before and after of her latest restoration. 
At Jeb's, you can find your hat, hat brush, hat sponge, hat band, hat feather and hat pins. You can also meet your new hat specialist. See you soon. https://www.jebswear.com › collections › cowboy-hats