Pump construction encourages the canvas to hug the arch and reduces material bunching underfoot when pointing Soft and durable square canvas which molds to the foot Heel seam cushion for a smooth and aesthetically pleasing line of the foot Tear drop shaped pads at the toe and heel promote extra flexibility for the foot to arch Sizing: Start with 2-2 1/2 sizes down from street shoe. Width: x-narrow=bloch a, narrow=bloch B, medium=bloch C, wide=bloch d, x-wide=bloch E