Shock-Absorbing & Knee Pain Relief - Segmented fix design can make adjustment according personal knees curves to supply better protection of patella, and do make a difference for your knee. Full Adjustable & One Size Fits All - Double Knot Design, fully adjustable strap offered flexibility to make adjustment for tightness, fits for sizing of 10-18 inches in circumference. Comfortable & Stay in Place - Adapted high quality raw materials and standardized production techniques, soft and ventilative fabric with smooth edges and fine stitches make you wear without any discomfort, stay in place after a long period of exercise. Applicable Scene - Suitable for a variety of sports scenes, such as basketball, running, fitness, training, especially for intense sports that require frequent jumping and landing, which can improve sports performance. Dear customer, Thank you for choosing our products. If there is any problem with our products, please contact us through the order information. We will be happy to serve you and solve it for you as soon as possible within 12 hours, thank you!