The AKO baseball cap has 6-Panels, Garment Washed Cotton Twill, Unstructured, Low Profile, with a Pre-Curved Visor and has an Adjustable Tuck Strap with Slide Closure (closure matches back of hat). "AKO" is on the front in red with "Fight Responsibly" on the side of the hat, while a shamrock is embroidered on the back in red. Size runs 7 1/8 (58cm). If you have a larger melon than most of your friends, it will most likely will not fit. Note that all hats are "distressed", thus each hat is unique.