I used this twice as first aid for a ligament injury. ◾️Brand: NEENCA ◾️Target Age: Adults (Thigh circumference 10cm above the knee is about 45cm) ◾️Color: Gray Patented, featuring a "patella gel pad" and "2 side springs." It stabilizes the knee joint and can reduce pain. Recommended for: Overall knee protection, firm support, those with concerns about the kneecap, suitable for light to intense sports, daily activities like housework and climbing stairs. Structure: Composed of a patella gel pad, resin side springs, and spandex fibers. Breathability and Comfort: The breathable air-knit fabric prevents water accumulation and is lightweight, reducing stress on the knee. The moderate thickness enhances durability while the three-dimensional knitting technology ensures breathability. The soft fabric is comfortable to wear and can be worn for extended periods. Established Brand: NEENCA is a long-standing specialist in the support field, a well-known outdoor goods manufacturer, and a top knee support manufacturer in the United States.