Sizing up is suggested depending on your fit preference or if you prefer a less snug fit. For bust measurement, measure around the body, across the fullest part of the breast. For waist, measure the narrowest part of your waist, above your belly button. For hip measurement, measure across the hips about 4” below your belly button. For torso, measure between your legs and over the top of the shoulder. After each use, hand wash your Miraclesuit in cool, clear water and hang to dry. Do not use chlorine bleach. Do not iron or tumble dry. Following these instructions will help extend the lifespan of your swimsuit so you can enjoy it even longer The perceptively scalloped sweetheart neckline in the Miraclesuit Plus Solid Escape Swimsuit, #6503566W, accentuates the bust as side shirring minimizes the waist. A low scoop back highlights your curves while fixed straps offer comfort and support. Bold, deep and distinctive colors vividly withstand the hottest of temperatures.Made with LYCRA XTRA LIFE spandex for a long lasting fit.