A method of performing a squatting exercise by an exerciser wearing a weighted vest, the vest has front and back portions and a panel member attached to the back portion of the vest, the panel member having one or more rows of roller-receiving cavities and a roller in each cavity for added weight. By placing the panel member between the back of a wall and an exerciser standing upright and pressing against the wall, the exerciser moves up and down during squat exercise to achieve maximum benefit from the exercise.