The Back on Track + Physio products are designed to provide a comfortable four-way stretch in a supportive, FDA-approved brace. 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 bodys 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.