Features: Hook and loop wrap: v-shaped two-way straps, can be adjusted freely to ensure the right size and make you more comfortable. Spring support: there are 4 built-in spring strips to provide stable support for the knees and reduce muscle and bone damage. Patella pads: built-in shock-absorbing pads, stabilize the patella and reduce the pressure on the knee. Elastic compression: high elastic material, full of elasticity, comfortable and not strangling the legs. Wide applications: prefect for running, athletics, cycling, weightlifting, soccer, basketball and other exercise activities. Notice: Actual color may be slightly different from the image due to different display and light effect. Please allow 1-3cm deviation due to manual measurement. Description: Material: Spandex, Nylon, Metal Color/Style: As the picture shown Size,Upper Thigh M,33CM-41CM L,37CM-45CM XL,41CM-49CM 2XL,45CM-53CM 3XL,50CM-59CM includes: 1 x Knee Brace