Intended for daily use by people with an active lifestyle, these braces are made with our state-of-the-art Welltex technology, which is infused into the fibers of the braces. Welltex technology works to reflect your body’s energy, creating a soothing far-infrared thermal effect. This effect can help to increase blood circulation and provide relief to tired and sore muscles, tendons, ligaments, and joints. The Elbow Brace should be used by people who experience discomfort in their muscles, tendons, ligaments, and joints due to overuse, general exercise, or common injuries such as wrist sprains or arthritis. Benefits of using the Elbow Brace are: -Support and compression -Increase blood circulation -Reduces muscular tension -Increases muscle and joint mobility -Accelerates recovery -Size X Large Circumference:37 - 41 cm https://botcanada.com/ sizing charts can be found https://botcanada.com/sizing-charts/