CircAid UnderSleeve Liners are designed to be worn directly against the skin under compression garments for additional comfort. They are one size fits most. The liner is footless and available in two different fabrics, cotton and silver. The silver coated nylon blend acts as a natural antimicrobial. The UnderSleeve can fit up to an 80cm wide calf, and the product is sold as a pair. This product does not provide therapeutic compression.