PLEASE NOTE: Please measure your thigh circumference according to the size chart and choose the right size for you. This product contains a small amount of latex. If you are allergic to latex/silicone, please do not use it. | PREMIUM QUALITY FABRIC: Copper knee braces bare made of 3D knitted fabric, copper ions are implanted into the nylon through blending technology, which gives it better cushioning, decompression, disperses knee pressure, promotes blood circulation, and protects the knee from injuries, and at the same time, it provides stable knee support, Moisture wicking, Keep your knees warm and reduce stiffness. | OUTSTANDING PROTECTION: Copper knee braces are ergonomically designed to protect your knees during sports such as running, basketball, soccer, golf, tennis and skiing. They can also be worn during daily work and walks to minimize pressure on your knees. | ANTI-SLIP DESIGN: Special knitting technology with two straps ensures that the knee pads always stay in place and do not slip or roll up during daily wear and sports. | QUALITY AFTER-SALES SERVICE: Due to factors such as leg shape and human body differences, there may be problems with sizes and other issues. But no matter if there is any problem or you are not satisfied, please feel free to contact the after-sales service, we will provide you with a satisfactory solution or a full refund!