SIZING: Fits chest sizes 37 - 45.;MAGNETIC THERAPY FOR PAIN: Deep penetrating magnet therapy has been shown to to help relieve sprains, strains, arthritis, or general aches and pains.;FASTER HEALING: Controlled magnetic fields have been shown to enhance the body's natural healing process, improving recovery times.;ULTIMATE COMFORT: Stretchable and terry-lined to reduce moisture build up and improve comfort. Washable. Reusable. One size fits most.;HEAT THERAPY: Highest quality neoprene construction naturally warms the shoulder area, increasing circulation to help provide soothing relief.