In reply to drFishFlan:
I've long had that issue with all Salomon shoes and so don't buy them. Might be an idea to try other brands as being a different shape - it's the shape of the heel fitting causing rubbing that is to me the issue, not the type of fabric or stitching used.
I also seem to have that issue with Scarpa boots but not with most other brands.
Post edited at 15:20