specifically a Bullet-Proof vest. Most typically a vest of kevlar worn by police officers. More recently made famous by Fifty wearing one all the time.
Playa'sgot some enemies so he's been sportin a vest.
Little tight stretchy strappy top for girls and women. Used to be underwear but now seen worn by girls/women of all ages, classes, fashion sensibilities.
Can be cotton, polyester, nylon and often a combination with Lycra, eg: cotton/lycra mix.