Adjustable Tension Pulley System: The pulley set effortlessly doubles tension for optimal support. Easy-to-operate design enhances stability and comfort during wear. Customizable Fit and Breathable Design: Lightweight nylon material ensures breathability and comfort. Adjustable drawstring length allows for personalized tightness adjustment. Ergonomic Semi-Circular Back Panel: The flexible back panel conforms to the waist curve, delivering comprehensive support and coverage for enhanced stability. Versatile All-Season Wear: Suitable for various activities including cycling, running, fitness, outdoor adventures, and daily use. Washable and seamless for continuous comfort. Multi-Purpose Support: Ideal for sports enthusiasts, travelers, and daily users seeking reliable back support. Enjoy even weight distribution and comfort throughout the day. Description: Experience comfortable and effective back support with our innovative back brace. The pulley system enhances tension, doubling its effectiveness while remaining easy to adjust. Crafted for breathability, it offers a customizable fit with adjustable drawstrings. The semi-circular design molds to your waist, delivering comprehensive support. Versatile for all seasons, it ensures a seamless and comfortable experience, ideal for various activities like cycling, running, fitness, outdoor adventures, and daily wear. Prioritize your back health with this reliable and adaptable back brace. Item Name: Back Brace Material: Nylon Features: Adjustable, Ergonomic, Versatile Size Details: S: 63cm-80cm/24.8"-31.5" (Approx.) M: 80cm-93cm/31.5"-36.61" (Approx.) L: 93cm-103cm/36.61"-40.55" (Approx.) XL: 100cm-120cm/39.37"-47.24" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Back Brace