This vintage eight panel work cap was made from denim, with unlined construction, taped seams and a brim with concentric stitching for rigidity. With an absence of a snap on the brim, and a plastic rivet to the center inside, I’m leaning toward a date of manufacture in the 1960s, though the proportions and small button on top give it a very passable ’30s look. The cap best fits between a 7-1/8 and 7-1/4.