Enter the one piece collar or as it’s also known, the California Collar. This collar was popularized in the 40s/50s by Hollywood icon Gary Cooper. Consequentially, it’s sometime also referred to as the Cooper Collar.
The collar itself is distinguished in that it’s cut from a single piece of cloth that extends through the front torso and doubles as a placket. This reinforcing effect allows the collar to stand on its own, without collapsing under it’s own weight.
At first glance you’d probably look and think this collar is a type of button down collar. Then you look closer and go, “wait… something is different here…”