A bra set is a combination of a bra and a matching panty. Bra sets comes in different colors and prints and depending on personal choice and preference. Bikinis are a two piece suit in the form a bra top and matching panty. The bra top of a bikini is made of two triangular pieces of cloth for covering a woman’s breast held together by shoulder and back straps. The panties of a bikini suit are supposed to be below the navel. However bikinis now come in different designs as opposed to the traditional style.