I realize it's a long shot, but maybe somebody out there has some overlays they don't need anymore... Since Nice changed ownwership they no longer have older replacement parts. I'll pay shipping and a nominal cost.
Bump...one last gasp of hope. My ankles don't extend as much as they should and these bindings are the only ones I've found that offer great support but that I don't get stuck halfway in and break my ankles.