Slimming belts have aesthetic purposes, they shape the silhouette, help open the pores of the skin and hide excess fat in the body. There are no miracle back supports to lose weight, that should be clear. Sports back belts help to avoid injuries and to maintain a regulated body temperature. If you want to lose some weight, the best thing you can do is to use the lumbar belt while you perform personalized exercise routines for you and a proper daily diet that allows you to eliminate the calories that your body has left over.