Vintage Green Army-style hat size S/M

Olive green army-style hat with embroidered shark decal Yellowish parts on brim of hat, can’t tell if it’s age discolouration or that is how it always was Label says size S/M- approx 22” inside diameter 98% cotton, 2% spandex Vintage, great condition Racing Ahead FlexFit Pickup southeast Cash on pickup or etransfer beforehand