• Underwire Bra • V-Neckline • Fixed Straps • Scoop Back • Moderate Leg Cut • 69% Nylon, 31% LYCRA® Spandex Fit & Size When purchasing a Miraclesuit for the first time, many customers order a swimsuit in their usual size for the most comfortable and slimming fit. Sizing up is suggested depending on your fit preference, if you are between sizes or if you prefer a less snug fit.