From the Zwina Collection. Look 10 lbs. lighter in 10 seconds®. Miratex® fabric slims and slenderizes without panels or linings for total full body shaping and control. The Miraclesuit Zwina one-piece swimsuit is a stylish choice, featuring molded foam cups with underwire, adjustable straps, and cleverly draped fabric that effectively conceals the tummy, complemented by coordinating hardware detail at the strap.