An adjustable sling that can be used to hold a patient's arm in a multiple positions and eliminate stress to the neck and shoulder. The adjustable sling has a pouch for holding the patient's arm and the pouch is held at its opposite ends by a pair of straps that are detachably affixed to the pouch. The straps pass over the shoulders of the patient on both sides of the head with free ends extending downwardly over the back of the patient to be affixed to the clothing of the patient much in the manner of suspenders. Both of the straps have length-adjusting devices that allow the length of the straps to be adjusted in accordance with the desired position of the pouch. The free ends may be attached to the belt of the patient at the patient's back with connecting devices that clamp onto the belt.