Abstract: A sling device for supporting a person's arm including a vest having a back, and at least one front lapel where a first fastener is provided adjacent the shoulder of the lapel and second fasteners are provided on the lapel, a strap device having first cooperative securing arrangement adjacent the first end of the strap and a second securing device adjacent the second end of the strap so that the strap can be secured by the first securing arrangement to the first fastening device and the second end of the strap can be secured to the second fastening device by means of the second securing device to form a sling to receive an arm.The sling can include a second strap to extend transversely from the first strap where the first strap includes third securing device and where the second strap includes a third fastening device to be received in the third securing device of the first strap and also includes a fourth fastening device to be secured to the second fastening device of the vest.