Matia - Hannah Swimsuit - TanOverview The Hannah one piece The Hannah Bandeau One Piece is your go to for effortless elegance and all day comfort. With a clean bandeau neckline and easy pull on design, it delivers a streamlined silhouette paired with cheeky to moderate coverage and a flattering high cut leg that visually lengthens your frame. Made from premium recycled Italian Lycra with a soft sheen and seamless construction, it offers a silky feel and second skin fit.