The Swede-O Thermal Vent Shoulder Wrap is designed to provide therapeutic compression and stabilizing support. It features a thermal lining inside, which retains body heat to ease shoulder pain, sore muscles, frozen shoulder, and arthritis. This shoulder wrap properly encapsulates the shoulder to help provide support for shoulder instability following an injury or surgery. The targeted compression and heat retention help promote muscle recovery when used immediately following sports activities, exercise, or weight training. The low profile, anatomical form contours to the natural shape of the shoulder for increased comfort. Thermal Vent Supports are a valuable aid to help rehabilitate injured tissue. These products provide warmth and heat therapy to help increase pliability and elasticity of muscles and tendons making them more responsive to therapy and exercise. The material is soft and comfortable against the skin. The layered thermal lining features a nylon material that wicks away moisture and a micro-ventilated, breathable membrane that captures and retains your natural body heat to ease pain. This allows moist air to escape keeping the skin comfortable. With unsurpassed quality, these supports provide gentle compression and warmth to help reduce swelling and associated pain as well as promote recovery. Easy to apply and adjust, the closures around the chest and bicep provide a custom fit. The bilateral design that fits right or left shoulder. Suitable for men and women of all ages, this shoulder wrap is size xx-large (47 1/2"to 51 1/2"). Please measure around the middle of your chest to ensure a perfect fit. Please note, this shoulder wrap is not to be used for dislocations or bracing.