Copper Fit Freedom Knee Compression Sleeve Size Size XLarge (16-17") Copper Fit compression sleeves can be worn anytime; while participating in physical activity, moderate activity, or when completely at rest. They're great for daytime and nighttime. Copper Fit compression sleeves offer the highest quality comfort fit, making them ideal for extended wear. Many people benefit from wearing Copper Fit all day long, underneath their clothes. Remember that the benefits of wearing your compression sleeve can only be felt when they are worn and sized properly. Measure the inches around your knee. Medium: 13" - 14" Large: 14" - 16" X-Large: 16" - 18". Copper Fit was created to provide supportive relief and freedom of movement for any lifestyle and body type. Get energized and revitalized with compression that supports muscles during moderate levels of exertion, giving relief from everyday stiffness and soreness. The thin and comfortable design combined with moisture wicking technology allows you to wear Copper Fit under clothes during the day or even while you sleep. How does Copper Fit work? The compression sleeves help reduce the recovery time of muscles and supports improved circulation and oxygenation of working muscles. Copper Fit provides support for muscle stiffness, soreness and pain. All Copper Fit products are made of high-quality performance fabrics with copper ions bound to the fibers level during manufacturing to reduce odor. Moisture wicking technology helps prevent chafing and rashes. Suitable for men and women of all ages. 85% Nylon, 15% Spandex Made in the USA and Imported Each package contains one compression knee sleeve that can be worn on either leg For correct sizing, measure the inches around your knee: Small 12"-13", Medium 13"-14", Large 14"-16", XL 16"-18", 3XL/4XL 18"-19" Copper Fit is the original copper-infused knee sleeve designed for maximum comfort and mobility Comfortable compression helps provide rejuvenating relief and support for everyday aches and pains, muscle stiffness and soreness Supports improved circulation and oxygenation of working muscles which helps to reduce swelling for faster recovery Care Instructions : Machine Wash Cold, Delicate Cycle, Inside Out With Like Colors, Do Not Bleach, Tumble Dry Low, Delicate, Do Not Iron, Do Not Dry Clean, Do Not Use Dryer Sheets, Do Not Use Fabric Softeners