?Premium Material: Crafted from quality polyester, EVA and lycra fabric, it's more wear-resistant and durable to use ?Prevent Injury: Wearing this knee brace can effectively apply pressure to fix the knee, reduce the damage caused by knee joint wear and tear, and avoid joint injuries ?Anti-Collision Protection: The thickened EVA sponge can reduce the impact force during collision and reduce the possibility of knee injury ?High Elasticity: Perfectly fits the leg circumference of most people and is comfortable to wear ?Non-Slip Performance: With anti-slip silicone, it will alway stay in position during physical activity, protecting your knees from injury Size Chart: Size Length (cm) Thigh Circumference(cm) Calf Circumference(cm) M 43 35-43 23-31 L 44 37-45 25-33 XL 46 38-46 27-35 Package included: ?1 x Knee Brace ?Other things not included