The shoulder resistance harness is a simple way to build explosive power and speed in the lower body. Quick and easy set-up. Simply put on the harness, secure the buckle, and have a partner create resistance. This item comes with a 10ft nylon strap with padded handle attachment. The strap does not stretch. Resistance must be provided through the assistance of a partner. The belt will fit up to a 46 inch waist. For larger athletes, the device can also be used around the shoulders without securing the belt buckle. Carrying case included. Black color. Weighs 1 pound. Quality is backed by a 1 year warranty.