This garment is specially designed to support the spine, resulting in excellent posture. When you put it on, you’ll see a reduction in the size of your waist. Functions Corrects positioning of discs and prevents unnatural spinal curvature. Encourages a more perfect positioning of the spine. The braces adjust to position shoulders in their place. The rods are flexible to define the waist, eliminate irregularities, and can reduce up to 3 sizes.