The same problem for me … can’t vote … see “Limit” instead of it
Not to sound crude, but, if you can change sock height, why not limb length?
Sock length is just a graphic. Limb length is the 3D model over which the graphic is wrapped. It’s a much more involved adjustment, particularly on a sliding scale.
The best thing that could happen here is that people up vote this one linked below as it is thus far the most voted ‘feature request’ for this.