this item: Instant Support and Stability - Our copper knee brace Helps restore arthritis and reduce pain. Prevent injuries, reduce muscle damage, increase oxygen flow, and reduce lactic acid accumulation. Let you exercise every day happily. Multiple Uses - Our Copper Knee Sleeve Compression is suitable for a variety of indoor and outdoor activities and training:Workout running, badminton, golf, gym, , mountaineering, recovery after surgery .etc. Exquisite Technology and Good Weaving Technology - Superior copper nylon, copper fiber fabric material has the effect of reducing inflammation and swelling. Light and smooth, high elastic fit, quick perspiration, good ventilation and ventilation, help to coordinate muscle capacity and protect muscles. Double Anti-Skid-3D special weaving technology and non-slip silicone points to avoid slipping and rolling during exercise and training. Let you enjoy the sport. Who can use our copper knee brace? Basketball players, tennis players, baseball players and golfers, - don't worry about muscle cramps and fatigue when training. Outdoor sports enthusiasts and athletes - you can train in the gym and field for longer and perform better. People with knee problems - prevent and alleviate muscle pain and knee pain -Use time You can choose to use it during exercise to prevent knee injuries and take off your body after exercise. For joint injuries, you can use it when you need to use your knees and take off when you take a break. You can also ask your doctor for better advice. Hand wash in cold water and air-dried recommended -How do I determine the size? To find your correct size, simply measure your knee circumference, 12cm / 5Inches above your Kneecap.Then compare the product sizes in the image to find the right size for yourself. If you're between sizes,it is recommended that you choose the upper size. If Copper Knee Brace is too tight for you, it will be easy to slide down. Size Chart: S/M/L/XL/XXL Size S: Fits thigh circumference 32-34cm/12.6-13.4inch Size M: Fits thigh circumference 35-41cm/13.8-16.1nch Size L: Fits thigh circumference 42-47m/16.5-18.5nch Size XL: Fits thigh circumference 48-55m/18.9-21.7inch Size XXL: Fits thigh circumference 56-62cm/22-24.4nch Product Description: Material:Nylon,Copper Gender: unisex Applicable Scene: Fitness, Basketball, Volleyball, Cycling, Running and so on. Package include: 1Pair=2Pcs * Knee Support