That&#x27;s not a polo shirt. A polo shirt is a cotton t shirt, with a collar, and a button up neck.  The collar is soft and un-boned and is not button down.<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Polo_shirt" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Polo_shirt</a><p>EDIT: although you&#x27;re right that button down collars did start in polo.