Ultra Knee Compression Sleeve Ideal for fans of running, hiking, tennis, golf, soccer, volleyball, cycling, basketball, softball, baseball, and many other athletic activities. The waterproof design is convenient for daily use and water sports. Quality Material Made of durable and reusable, high-quality grade A silicone, the sleeve is super elastic, soft, and comfortable. It provides protection for the entire knee and stays in place during movement. Support for Daily and Night Use The knee brace offers joint support for daytime activities and promotes comfortable wear at night. Compression helps warm muscles, supporting muscle recovery and comfort. Washable and Reusable Constructed with easy-to-clean, reusable silicone material that is skin-friendly and provides a comfortable wearing experience. Special Design Features a magnetic support design to care for the knees, offering a convenient fit, full range of motion, and joint support. Open design allows good air permeability, reducing heat buildup and ensuring a comfortable, breathable feel.