Features 3D three-dimensional knitted elastic fabric: Functional knitted fabric fits the skin perfectly and can adapt to different gestutes Patented Silicone Pad : Enhance knee stability, and provides massage effec tindirectly, reducing pain and kneecap pressure Latest knitting technology Knee pads are manufactured using the latest knitting technology to ensure comfort with highly breathable frabic Screw weighing rod The spiral weighing rod design is adopted on both sides, which is extremely flexible and can ensure that the knee pads are not deformed and durable. Suitable for all to wear : Especially suitable for athletes, people who have been standing or walking for a long time or have injured tendons, muscles or ligaments