These "toning shoes" are designed to put a load on your legs and glutes, as if you were standing on a balance ball while walking. Features concentric circle pads in the center of the insole. Model number (M41541) Reebok EasyTone Calibrator Mesh An updated version (+ model) of the EasyTone. I've used them a few times, but they've been stored in the shoe cabinet since then. There are no scratches as shown in the photos. Please check the photos as they show everything.