1. IMPORTANT: Measure your size before purchasing. Follow these steps: ① Keep your legs straight without bending your knees; ② Locate the center of your knee; ③ Measure the thigh circumference 4 inches (10cm) above the knee center; ④ Refer to the Sizing Chart for the correct size. 2. BREATHABLE & QUICK-DRY: Our Knee Sleeve is crafted from breathable fabric that wicks away moisture, ensuring you stay cool and dry during workouts. Designed for both youth and adults, these knee pads provide essential protection for your knees. 3. FUNCTIONALITY: Designed to protect and prevent knee injuries during physical activities. The Knee Sleeve helps maintain warmth, reduces muscle stiffness, and enhances blood circulation while effectively absorbing impacts. 4. HIGHLY ELASTIC MATERIAL: The Knee Sleeve can stretch an additional 2.5 inches in both perimeter and length, accommodating a wider range of knee sizes. When worn, it offers a refreshing cool sensation, ideal for high-intensity sports. USE SCENARIOS: - Perfect for basketball players looking to safeguard their knees during intense games. - Ideal for runners who want to prevent injuries and maintain comfort on long runs. - Great for weightlifters needing extra support and protection during heavy lifts. This Knee Sleeve combines comfort, protection, and performance, making it a reliable choice for anyone engaged in sports or physical activities.