Immobilize Arm: Utilizing a suitable arm sling is important in immobilizing arm and preventing future injury. Our SupreGear flexible, padded arm sling shoulder immobilizer will allow users to use the sling for best result . The upper back cross design will balance your shoulders, prevent straps from slipping, and reduce shoulders pressure and neck strain. Widened chest strap stabilizes the shoulders and holds your arm secure against your body. Made of durable, soft material, the moisture wicking and breathable arm sling can be worn on either right of left arm, keeping your arms cool and comfortable all day. It fits users with a height range of 5 feet 5 inch to 6 feet and up to a 47 inch chest circumference. Ideal for post operative recovery, fracture, dislocation, subluxation, rotator cuff repairs, or other types of arm or hand injury. Can be used on a long term basis with or without clothes, day or night