Description: Delivering all-around knee support. Graphene material reflects human heat and locks in temperature. Delicate routing, good stitching, precise stitching, comfortable skin-friendly fabric. Tight, protective covering with a balance of support and compression. Prevents injury. Good knee support with no stiffness. No itching. No slipping. Full mobility & comfort. Helpful for arthritis sore relief wrap around your knees and give you comfort. Perfect for outdoor activities, such as hiking, running, fitness, Jogging, Walking, ball games etc. Specification: Material: Graphene Fiber + Nylon + Latex Yarn + Spandex Size Chart: S Size: Length: 30cm/11.81inch UP Circumference: 35cm/13.77inch Down Circumference: 30cm/11.81inch M Size: Length: 30cm/11.81inch UP Circumference: 41cm/16.14inch Down Circumference: 35cm/13.77inch L Size: Length: 30cm/11.81inch UP Circumference: 47cm/18.50inch Down Circumference: 41cm/16.14inch XL Size: Length: 30cm/18.11inch UP Circumference: 55cm/21.65inch Down Circumference: 47cm/18.50inch Package Includes: 1 Pair Knee Protectors Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.