This is for a Vintage US OPEN 1998 Olympic Club Golf Hat / Cap.  Adjustable, One Size.  Has "US Open with the American Flag" embroidered on the front and "1998 The Olympic Club" embroidered on the back.  On Imperial Headwear Tag.  Made in USA.  White / off-white hat with black bill.  In very good used condition or better.  Has a couple loose strings and has a few marks that should come out with the proper solvents.