For a smooth look under clothing, choose One Smooth U® bras. Two-ply back for added back smoothing. Convertible straps for more outfit options. Perfectly Plush® lining for ultimate comfort. Comfort-U® design for stay-in-place straps.Full-coverage, seam-free foam cups give you a smooth, shapely look. Soft, cotton-lined straps and center front, for even more support and comfort.