<P> A polo shirt, also known as a golf shirt and tennis shirt, is a form of shirt with a collar, a placket with typically two or three buttons, and an optional pocket . </P> <P> All three terms may be used interchangeably . Polo shirts are usually made of knitted cloth (rather than woven cloth), usually piqué cotton or less commonly, interlock cotton, silk, merino wool, or synthetic fibers . A dress - length version of the shirt is called a polo dress . </P>

Is polo a brand or a type of shirt
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