1. IMPORTANT: Please measure your leg size accurately before purchasing. Stand straight with your legs vertical and knees unbent. Measure the circumference of your thigh 4 inches (10 cm) above the center of your knee to find your size on the Sizing Chart. 2. OPTIMAL KNEE PROTECTION: Designed for ergonomics and lightweight for maximum mobility, this knee protector is perfect for outdoor sports. 3. KEY FUNCTIONS: - Shields against knee injuries during physical activities. - Keeps your knees warm, helping to prevent and reduce muscle and joint stiffness. - Offers effective impact resistance and promotes better blood circulation. 4. HIGH ELASTICITY: Made with highly elastic materials, this knee sleeve accommodates various knee sizes. It provides a slight cooling sensation upon wear, enhancing comfort throughout your activities. 5. USE SCENARIOS: - Ideal for basketball, running, cycling, and other sports where knee support is crucial. - Perfect for individuals recovering from injuries or those looking to prevent strain. - Suitable for everyday wear, especially for those with active lifestyles or desk jobs needing extra support. This knee protector combines functionality and comfort, making it an essential addition to your athletic gear.