Designed to perfection and fit to flatter. You are going to love this one piece swimsuit. Discover the Wavelength DD One Shoulder One Piece by Seafolly, a chic swimwear option in timeless black. Crafted from 81% polyester and 19% elastane, this piece features a hidden underwire and internal shelf bra for enhanced bust support. Emphasize your natural shape with its regular leg line and full coverage. Note: Sizes are in US measurements.