Donjoy Immostrap Lumbar Support with Upper & Lower Compression. Indications: Acute or subacute lower back pain, Lumbar arthrosis, Lumbar sciatica, Use following disc herniation Quadruple Bilateral straps to adjust compression level Independent superior and inferior compression adjustment for optical anatomical fit Strong compressive elastic material to enhace posture control 4 Semi-rigid dorsal stays, aiding stabilization of sacro-lumbar area Rolling buckles for effortless tightning 2 Flexible abdominal stays Hand loop, aiding ease of application Ergonomic front panel