Our USA-300 hat are the hats with the flag on the corner of the brim: Brushed cotton twill Structured, mid-profile, six-panel Pre-curved visor, American flag woven label on visor Hook and loop closure Hat size: 6 5/8 - 7 3/8 If you are ordering a flex fit hat, the Flex Fit hats we use are the 6277 most commonly. The size for the flex fit hat, if that is the one you have chosen is shown below. Contents: 63% Polyester / 34% Cotton / 3% Spandex Sizes: S/M (6 3/4"-7 1/4"), L/XL (7 1/8"-7 5/8"), XL/2XL (7 3/8"-8") The 6277 Flex Fit hat's, available in 3 different sizes (Depending on stock just because many manufacturers have items on backorder. We have colors like Dark Navy, Black , Red, Dark Gray and Olive. XL/XXL only comes in Navy, Black and Dark Gray. These larger sizes are scare right now (Nov. 2021) All of our hat ship ship FREE First class mail or Priority Mail in a box with tracking. Message us for any questions.