It doesn't take much for this one piece to look effortlessly cool. Add some statement jewelry to dress it up, or throw on some sneakers for a more casual vibe.The Nike Women's Gym Vintage Romper (Style CJ1863) in Black is made from a 60% cotton and 40% polyester jersey knit fabric. It features a scoop neckline, spaghetti straps, a pullover design, a curved hem, and side seam pockets. The romper is finished with a Nike script logo on the lower left leg and is machine washable.