A preformed, seamless, three-dimensional, anatomically contoured prosthetic device (10) for reinforcing breast tissue and supporting a breast implant includes a flat back wall (11), a concave front wall (12) and a curved transitional region (13) between the flat back wall and the front wall defining a smoothly curved bottom periphery. A concave receiving space is defined by the back wall and the front wall for at least partially receiving and supporting the breast implant therein. The three-dimensional prosthetic device is free of wrinkles, creases, folds or seams, which may have otherwise caused potential tissue irritation, bacteria hosting, infection and palpability problems.
