The Maidenform Women's Sport Custom Lift Underwire Bra is a top-rated racerback bra that offers excellent support and lift. It is made from a blend of nylon and spandex, providing a comfortable and stretchy fit. The bra has an underwire design that offers additional support and shaping. It also features a racerback design that allows for a full range of motion. The bra has moisture-wicking properties, keeping you dry and comfortable during workouts. With its high ratings and positive feedback, this racerback sports bra is a reliable choice for women who want both style and functionality.