A post-operative breast support system is provided for use following augmentation mammoplasty to prevent or correct implant migration. The support system includes a pair of straps which extend over the patient's shoulders, then cross one another at the patient's chest, then extend under opposite left and right breasts, then around the patient's back in opposite directions, and then forwardly around the torso to the front of the patient, wherein the ends of the straps are fastened or buckled. The straps have a width which prevents twisting. The fastener is adjustable, such that the tension and position of the straps can be quickly and easily set by the patient.