Professional support: 6 support straps for the lumbar region on both sides of the spine, L is suitable for a waist size of 3-3.5 feet positioned around the lumbar spine to provide full professional support for the lumbar region. Double compression: the double elastic waistband exerts even pressure over a large area, with a wide pressure adjustment range, to provide high pressure support according to specific needs. Lightweight and breathable: the light material and the ultra-thin side fabric, combined with the breathability of the mesh with 16 holes interspersed in the back, contribute to reduce perspiration and redness. COMFORTABLE AND FLEXIBLE: the thin front , the wide back and side design in the middle make it an ergonomic belt, the flexibility of the side straps improve its comfort and flexibility. Quality assurance: The belt features fine stitching and delicate edges, a high quality velcro closure for extended use, split elastic bands for lasting stretch and multiple straps to stay in place.