Gill Athletics Javelin/Hammer Adjustable Back Brace
8 Supportive Steel Springs Conform To Your Back And Provide Lumbar Support.Main Elastic Band Is 9" High.2Nd Outer Elastic Straps Are 4" High And Allow For Adjustable Tension. One Size (Stretched Length) - Fits Waist Sizes 28 - 50" (71 - 127 Cm)