Developed by world-renowned back care specialist Professor Malcolm Pope, this lightweight, comfortable support belt helps cervical (neck), thoracic (upper) and lumbar (lower) back pain. Strategically placed biofeedback pads help reduce muscle tension while improving and supporting posture. Unisex. Adjusts with hook-and-loop closure to fit sizes 22"-60". Jacquard: Polyester/Spandex, Middle Layer: Rubber/Padding, Biofeedback Pads: Nylon/Polyester/EVA Foam. Imported.