Sustainably made from 83% Recycled Polyester and 17% Spandex. Introducing the Racerback Sports Bra! This versatile bra is perfect for any medium-to-high impact activity. It features a racerback design, removable cups, and a four way stretch fabric that is double layered for extra support. The sweat wicking material will keep you comfortable and dry during even the most intense workouts, while the elastic bottom band provides a snug, secure fit.