[Adjustable velcro fastening] Extended support band on the kneecap. High elasticity, firm compression, adjust the density according to your choice, feel the support that suits you best. The open adjustable size design allows the knee pad to be better fixed on the knee, making it more stable than other similar products on the market and not easy to fall off. \n [Comfortable and Breathable]The knee pads are made of high quality polyester fiber. Skin-friendly, odorless, mesh design. The inner fabric is in direct contact with the skin, absorbs sweat and breathes freely. Prevents unpleasant skin conditions. It has good wrinkle-free and creaking comfort and support during use. \n [Stable Support] There are hidden soft elastic spring supports on both sides of the knee joint support, which spreads the pressure on the knee joint during exercise, provides sufficient compression and knee joint support, effectively prevents meniscal injury, sprain, sprain and relieves ACL, LCL, MCL, relieves tendinitis and knee osteoarthritis pain. It can also save effort. They are great companions for your workouts and recovery from sports injuries \n [Comfortable Ergonomic Design]According to the arch of knees and legs, we are different from other products on the market. We use left and right knee designs for a more ergonomic fit for a perfect fit. Excellent support and comfort all around.