The Support That Fits Everyone - With Easy Pull Handles and Pockets - Providing Flexibility and Stability. The CorFit System is the best designed lumbosacral support on the market. That’s no exaggeration but simply a truism based on the high quality of its durable components and construction, coupled with careful attention to fit and comfort. Just ask anyone who’s seen or worn the CorFit to help relieve low back pain. Our patented fitting system allows us to create supports proportionally sized in height and length, with taller supports for larger people and smaller supports for petites and children. It’s the support that fits everyone and provides comfort, compression, flexibility and stability.