A tennis shirt or also commonly known as a polo shirt or a golf shirt, is a type of t-shirt with a collar, typically with some buttons down a slit below the collar, two small slits on the bottom of either side, and an optional pocket. These shirts are usually made of knitted cloth especially pique cotton or, less commonly, silk, merino wool, or synthetic fibers.
During the nineteenth to early twentieth century, tennis players usually wore long-sleeved shirts, trousers, and ties Attire suitable for office work in our modern society. These formal clothes presented several problems for ease of play and comfort on the court. The French 7-time Grand Slam tennis champion Ren Lacoste felt that the stiff dress shirts and ties of the day were simply too heavy and uncomfortable for the tennis court. He began his own line of apparel, named Lacoste after his namesake and designed a loosely-knit pique cotton shirt with an un-starched, flat protruding collar and a longer shirt-tail in back than in front. The function of the thick pique collar was to protect the neck from being sunburned by the sun. Preceeding Lacostes 1929 invention of the tennis shirt, polo players normally wore...