Professional knee brace with mesh weaving technology, open patella and back design, and adjustable Velcro straps for a better fit. Best choice for pain relief and sports protection - non-slip, day and night useTargeted Relief and Support - 4 fish scale springs on both sides will provide stability and protection for weak and injured knees, significantly reduce the load on the patella and provide maximum support for the knee joint. Wraps the kneecap to improve knee support and relax tendons to avoid pulling, preventing muscle strain. Widely used in running, jogging, fitness, weightlifting, basketball, volleyball, CrossFit, tennis and many other sports!Comfortable experience - Overcoming the shortcomings of similar products, the knee pads are non-allergic and non-itchy. The open kneecap and vented back design prevents kneecap pressure and sweat accumulation. The soft bandage fabric uses airflow ventilation technology to reduce odor and moisture, circulate breathing, and is breathable and sweat-absorbent. Easy-to-wash mesh fabric, more reliable than other knee braces, provides extra reinforcement without sacrificing comfort, so you can wear it all day long!Packing list; 1 piece knee pad,Seller guarantees 7 days.