Abercrombie & Fitch YPB sculptLUX Hybrid Flyaway Onesie in Onyx, size medium, new with tags. Versatile onesie in our new sculptLUX active fabric, that's super soft and supportive without being restrictive, as well as smoothing and sculpting without pinching. Designed to hold you in, our sculptLUX fabric is soft, sculpting and flattering. Features lined flyaway shorts, adjustable straps, elastic waist with adjustable bungee, square neckline and active fabric.