Size: XL  Fits a 21 -23  Leg Circumference  Measure 4  above center of knee cap. * Unlike traditional compression garments  the IMAK Compression Arthritis Knee Sleeve is designed with all-day comfort in mind. * This makes it the ideal choice for people living with chronic pain from arthritis  fibromyalgia  overuse or other conditions. * The Sleeve provides mild compression for warmth and helps increase circulation  which ultimately reduces pain and promotes healing. * Made of soft  breathable cotton material  it is comfortable enough to wear all day and night. * Tri-band technology holds sleeve securely in place and helps prevent rolling. * Effective  non-invasive arthritis relief. * Provides mild compression to help control or decrease swelling of the joints. * Cotton material allows skin to breathe and keeps hands dry. * Comfortable to use all day and night.