Crown crease
The dent or fold pressed into the top of the crown. It defines the style.
Cattleman
A crease down the center with a dent on each side, the shape seen at ranches and rodeos.
Gambler
A low, flat crown with a round top, usually paired with a wide brim.
Teardrop
A crown pinched so that, from above, it looks like a teardrop.
Pinch front
Two dents at the front that pinch the crown into a point.
Hatband
The band around the base of the crown: leather, braid or a simple strap.
Brim curl
The upward roll at the sides of the brim.
Vents
Small openings in the crown, found on summer western hats.