business shirt

A dress shirt, button shirt, button-front, button-front shirt, or button-up shirt, is a garment with a collar and a full-length opening at the front, which is fastened using buttons or shirt studs. A button-down or button-down shirt is a dress shirt with a button-down collar – a collar having the ends fastened to the shirt with buttons.A dress shirt is normally made from woven cloth, and is often accompanied by a tie, jacket, suit, or formalwear, but a dress shirt may also be worn more casually.
In British English, "dress shirt" ("formal shirt" or "tuxedo shirt" in American English) means specifically the more formal evening garment worn with black- or white-tie. Some of these formal shirts have stiff fronts and detachable collars attached with collar studs.

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