Typical closures and adjustment options are back hook-and-loop (Velcro) closures, snapback closures, pull-on designs, and adjustable straps—providing a range of adjustable fits.
Brim lengths typically range from about 2.75 inches to 3.5 inches, while crown heights usually fall between roughly 4 inches and 5.1 inches.
Care instructions vary across styles: many list machine wash with line-dry or lay-flat drying, some specify hand wash and line-dry, and a few note spot or wipe-clean only.
Flag designs appear on several styles, including baseball caps, foam trucker caps with sublimated patches, and paper straw cowboy hats with stars-and-stripes patterns.
Sizing is often listed as adjustable or one-size-fits-most, sometimes labeled 'Adult General Sizing.' Example specifications in this category include one-size options up to about 22.5 inches, head circumferences around 22.5"–24", and adult S/M/L ranges roughly 51–60 cm.