MAXAR Airprene (Breathable Neoprene) Sports Back Brace, Bio-Magnetic Lumbosacral & Lower Back Support Belt provides support, warmth, and comfort to the abdominal and lumbosacral areas. Six spring metal stays provide increased stability and support to the lower back. Our sports back support belt is ideal for keeping your lower back warm, protecting from injuries and helping reduce lower back pain. Embedded with 18 strong magnets create a 360 degree Bio-Magnetic Field (drug-free alternative to pain management), which helps reduce and treat lower back pain.