A Bustier is a formfitting sleeveless and usually strapless woman's top, worn as lingerie and often as evening attire... comes from the French word, buste Basically it is a bra that extends to the waist, providing additional support, control and sex appeal. Although it usually comes with straps, it is most often compared with the corset. Both are structured to give the torso a sensual, hour-glass shape. Many wear bustiers under their clothes, while others wear it as a top with a pair of pants or a skirt. They also look exceptional with garters and stockings.