[NOTE] PLEASE CHECK THE SIZE CHART ON THE IMAGE AND MEASURE YOUR CIRCUMFERENCE ACCORDING TO THE INSTRUCTIONS TO GET THE RIGHT SIZE. SIZE ISSUE, PLEASE FEEL FREE TO CONTACT US | A Great Tool in Managing Knee Pain - CAMBIVO knee sleeves are featured with special 6D knitting technology that is effective in providing stable pressures to stabilize and support your knee and help to relieve arthritis pain; The knee braces also keep your knee warm and increase circulation to reduce stiffness; This knee brace the best companion for your workouts and daily activities | Improve Sports Performance - With ergonomic design,CAMBIVO knee support enhance your performance when your workout involves a great amount of stress on the joints; Feel free to enjoying running, bicycling, hiking, basketball, baseball, football, soccer, volleyball, golf, tennis, skiing, weightlifting，weight training and other sports with ultimate mobility | Optimal Comfortable Compression - Well-balanced between compression and comfort, these knee compression sleeves disperse the pressure and improve circulation around your knee area for the relief of your knee pain. Whether you’re walking or doing exercise, the knee braces for knee pain provide you an adequate compression without restricting your movements | Double Anti-slip Silicone - Designed with double-lined anti-slip silicone grip rings on the top to stay in place and prevent slipping down during exercise, maintain stability, and provide extra reinforcement without sacrificing comfort | AMAZING LEVEl OF COMFORT AND BREATHABLE FABRIC- Designed and engineered using thin light 4-dimensional stretchable yet durable elastic material providing flexibility and breathability. Perfect for any season to absorb the sweat. You can easily slip it on(easy to wear) no matter what time of year it is. If you have the sizing issue or not satisfied with your purchase, please don't hesitate to contact our customer support. We will more than happy to assist you!