For the bench press, there are also single-ply and multi-ply bench shirts that work similarly to a squat suit. It acts as artificial pectoral muscles and shoulder muscles for the lifter. It resists the movement of the bench press by compressing and building elastic energy. When the bar is still and the official gives the command to press the compression and elastic energy of the suit aids in the speed of the lift, and support of the weight that the lifter would not be able to provide for himself without the bench shirt. In order to achieve proper tightness and fitting the lifter must be assisted when putting the bench shirt on for it is not possible to be done alone.