- Instant relief and targeted lumbar support: Four built-in steel support struts provide maximum lumbar support. It does not press directly on the vertebrae along the two sides of the spine, focusing protection on the lumbar vertebrae L4, L5 and S1. It supports the lumbar muscles in the waist to relieve tension and pain. - Adjustable strap system: Two-layer compression strap with Velcro fastening lets you set the exact position and pressure for your needs. - Flexible steel and secure fit: Three flexible steel components prevent the back support from moving up on the waist side. Designed to allow natural movement while providing a comfortable grip. - Comfort you deserve: Breathable mesh fabric designed for extended use without excessive heat buildup. Available in grey or black, and can be worn over or under your clothes. Removable, washable, breathable, non-neoprene-free, non-elastic knitted fabric. - Check sizing chart: To ensure the back brace works perfectly for you, review the sizing chart and choose the proper size in the drop-down menu. Do not assume your size. - Practical use scenarios: - Lifting and bending at work to reduce lower back strain during daily tasks. - Long periods of sitting or driving to relieve lumbar tension. - Post-injury recovery or physical therapy to stabilize the lumbar region.