This G7-Solutions Copper Care Compression Knee Sleeve is designed to provide support for muscle stiffness, soreness and pain. It also helps to accelerate the recovery of muscles and joints, as the fabric quickly absorbs moisture to prevent chafing and rashes. This sleeve boasts anti-bacterial and anti-odour properties and aids in wound healing. Made with 88% copper nylon and 12% spandex, the knee sleeve comes in sizes S, M, L, and XL.