Features: The seamless design integrates shoulder straps and waist support, offering full body stability and eliminating slippage common in traditional split brace, perfect for prolonged workouts or daily use. Crafted with high elastic polyester cotton blend and reinforced PU leather, this adjustable back support belt ensures durability, breathability, and targeted pressure relief for optimal comfort. Ideal for fitness enthusiasts, office workers with sedentary lifestyles, or anyone requiring lumbar support during heavy lifting, standing, or repetitive movements. Wear it during gym, outdoor activities, household chores, or extended work shifts—its breathable fabric prevents overheating even in high temperature environments. Featuring innovative hook and loop fasteners for quick, customized adjustments, this postures corrector seamlessly transitionings between sports and daily routines while reducing lower back strain. Specifications: Component: Polyester+Velcro+PU Leather L Size: Approx. 25.59x17.13inch(65x43.5cm)(Recommended Weight: 65-75kg) M Size: Approx. 25.51x16.54inch(64.8x42cm)(Recommended Weight: 55-65kg) Package Includes: 1x Back Belt note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.