Thank you for your responses.
My feet aren't over-pronating, I was sitting in an awkward position to make these shots with my phone :-)
Also, the stitches aren't ripped, it just looks as if my foot is too big for the vamp to cover weirdly enough. I'm guessing they indeed are too tight unfortunately, which is odd since these are made by Grenson on their masterpiece last 91 which is usually a perfect fit form me.
This is the exact same pair by the way (in a different size...