More ideas from jinnie
Here is my low poly way:  On the lower leg, loop cut ankle line.  Extrude foot shape from front polygon, 2 steps.  Add subsurface modifier and you get the base shape.  Extrude sole geometry from bottom and add some loop cut to refine the shape. - See this image on Photobucket.

Here is my low poly way: On the lower leg, loop cut ankle line. Extrude foot shape from front polygon, 2 steps. Add subsurface modifier and you get the base shape. Extrude sole geometry from bottom and add some loop cut to refine the shape. - See this image on Photobucket.