【Medical-Grade Back Support for Maximum Stability】With a medical-grade design, this lower back brace features (1 bionic spine plate+2 memory steel plates+2 resin support bars+ 2 flexible springs), providing precise support for different muscle areas and 360° full coverage. By expanding the pressure distribution area and evenly dispersing force, it stabilizes the spine and relieves back pain. Whether lifting, sitting, driving, exercising, or doing daily tasks, it offers strong lower back support.【Patent-Level Dual Compression System,Perfect Fit】Our back support belt features a patented dual compression system, combining 8 adjustable straps and 4 pulley designs for easy adjustment, ensuring a perfect fit and optimal compression. The widened Velcro, tested for over 20,000 cycles, won't slip or loosen even with extended wear,Let you enjoy effortless and carefree activity all day long!【Copper Infused, Ultra Breathable & Comfortable】Crafted with 4D knitting technology, this back brace for men lower back features breathable, soft, and skin-friendly fabric, with over 4,000 ventilation holes to enhance airflow, ensuring the waist stays dry and comfortable. Infused with 4120ppm copper ions, the fibers effectively suppress odors, keeping it fresh even after prolonged wear. It perfectly balances comfort and functionality, offering an exceptional wearing experience.【Scientific Pressure Distribution,360°spine health protection】With a scientific pressure distribution design, this lumbar support belt offers strong back support, moderate side pressure, and light abdominal compression to effectively relieve back pain. The ergonomic support plate stabilizes the spine, reducing pressure from sciatica and herniated discs. Side support strips prevent twisting, while abdominal straps provide core support and ease muscle tension.Provide comprehensive and lasting protection for your spine.【Size Guide】Our back brace for women & men and available in multiple sizes. To find the perfect fit, please stand up, relax your abdomen, and measure around the narrowest part of your waist, just above the belly button. Ensure the tape measure is snug but not tight.S: 78-85 cm (30.7-33.5 inches)M: 85-95 cm (33.5-37.4 inches)L: 90-105 cm (35.4-41.3 inches)XL: 105-125 cm (41.3-49.2 inches)XXL: 120-140 cm (47.2-55.1 inches)