A dozen times? How far do you walk? Jagger, that hole is just the outsole wearing out to the point you can see the cork. A full resole/refurb would be advised. Can you send them back to Carmina? That would be best since they should be able to use the original last to keep the shape.
This typically happens after 2-3 years of wear for me on single soles shoes. Congrats! I find it an accomplishment when I wear soles down (okay, maybe you don't), it's evidence that I get good use out of them.
Cheers. Is that all it is? I've had soles wear it plenty of times and it never looked that but these are a step up from any previous shoes I've had resoled. It just looked to me like something had cut into the sole as I hadn't seen any previous evidence that the sole was ready to go. Yeah, I do wear them a ton and I am quite heavy on my feet so that doesn't help.
I'm in the UK so sending them off to Spain isn't too much of an issue. I'll fire off an email to Carmina, anybody any idea of how much that might set me back?